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Fidus Prusik Loop 8.5 mm
SKU: DMM | DD-RPL85-3-BWG-50
Key Features
- EN 795B and ANSI Z133 certified, 24.5kN MBS
- Not for hoisting (Directive 2006/42/EC)
- Stitched endless loop for consistent strength
- Available in 60cm and 70cm
- Regular price
- £14.63 Ex VAT
- £17.56 Inc VAT
- RRP: £19.17 Ex VAT
- Sale price
- £14.63 £14.63 Ex VAT
- Regular price
-
- £17.56 £17.56 Inc VAT
- Was £19.17 Ex VAT
Free Delivery Over £75 *
Worldwide Shipping from the UK
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30-Day Easy Returns
Highlights
-
8.5mm polyester cord
Bespoke 8.5mm polyester cord, finer than the 10mm Fidus range. Weights start from 75g.
-
Sewn loop, six lengths
A single continuous sewn loop, available in 50, 55, 65, 75, 90 and 105 cm.
-
EN 795:2012 Type B
Certified in straight, basket and choked configurations, and to PD CEN/TS 16415:2013 for two-person rescue up to 300 kg.
Product information & specifications
DMM Fidus 8.5mm Loop - Certified Sewn Loop Anchor - EN 795:2012 Type B - 50–105cm
The DMM Fidus 8.5mm Loop is a certified sewn loop rope tool in 8.5mm polyester cord — positioned between the 6.5mm and 10mm Fidus products in the DMM anchor range. The reduced 8.5mm diameter changes the handling feel compared to the 10mm Eye to Eye, offering improved precision and a lighter weight at equivalent or shorter lengths, while maintaining the same dual certification for straight, basket and choked configurations to EN 795:2012 Type B, and rated for two-person rescue loads under PD CEN/TS 16415:2013 (max 300 kg combined). The sewn loop construction — without a separate eye-to-eye termination — creates a single continuous cord loop that connects at the load point in any of the three certified configurations. Black/White/Grey Fidus cord contrasts with main climbing lines and lanyards. Available in six lengths: 50, 55, 65, 75, 90 and 105 cm, from 75g upward. Gustharts is an authorised DMM dealer.
DMM is a Welsh manufacturer of professional climbing, rigging and work-at-height hardware, based in Llanberis since 1981.
Key Features
- 8.5mm bespoke polyester cord — narrower diameter than the 10mm Eye to Eye; lighter at equivalent lengths; improved handling precision in system setup and adjustment
- Sewn loop construction — continuous single loop with compact stitch termination; connects at the load point in straight, basket or choked configuration without separate eye attachment points
- Certified in three configurations — straight, basket and choked — same three-configuration certification as the 10mm Eye to Eye; the most versatile certification in the Fidus anchor range
- 75g to ~148g depending on length — consistently the lightest Fidus standalone anchor tool at comparable lengths
- Six stocked lengths: 50, 55, 65, 75, 90 and 105 cm — shorter minimum (50 cm) than the 10mm range, covering compact anchor configurations not achievable with the longer-minimum products
- Black/White/Grey Fidus cord — colour and pattern contrast with main climbing lines, lanyards and the 10mm range for quick in-system identification
- EN 795:2012 Type B and PD CEN/TS 16415:2013 certified — 300 kg two-person rescue rated across all three configurations
- UV resistant, durable polyester construction — proven performance over extended service life in outdoor, high-UV environments
Technical Specification — Gustharts Stocked Lengths
| Length | Product Code | Weight | Max User Weight | Standards |
|---|---|---|---|---|
| 50 cm | RPL85-3-BWG-50 | 75g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 55 cm | RPL85-3-BWG-55 | 81g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 65 cm | RPL85-3-BWG-65 | 94g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 75 cm | RPL85-3-BWG-75 | 108g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 90 cm | RPL85-3-BWG-90 | 127g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 105 cm | RPL85-3-BWG-105 | ~148g (confirm with Gustharts) | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
Colour (all variants): Black / White / Grey | Cord: 8.5mm bespoke polyester | Configurations: Straight, Basket, Choked
Fidus 8.5mm Loop vs Fidus 10mm Eye to Eye — Which Do You Need?
Both are certified for straight, basket and choked configurations with the same 300 kg two-person rescue rating. The decision comes down to diameter preference, termination type and length range.
| Feature | Fidus 8.5mm Loop (this product) | Fidus 10mm Eye to Eye |
|---|---|---|
| Cord diameter | 8.5mm — improved handling precision | 10mm — larger cord feel |
| Termination | Sewn loop — single continuous loop | Sewn eye at both ends |
| Certified configurations | Straight, Basket, Choked | Straight, Basket, Choked |
| Length range (Gustharts) | 50–105 cm — shorter minimum | 70–180 cm — longer maximum |
| Weight at comparable length | Lighter — 75 cm = 108g | Slightly heavier — 75 cm = ~108g (similar) |
| Max user weight | 300 kg | 300 kg |
| Best for | Compact configurations; preference for finer diameter handling; shorter anchor geometry | Larger anchor points; longer configuration geometry; preference for 10mm handling feel |
See the Fidus 10mm Eye to Eye here. For the full DMM Fidus range including retrievable anchor options, see all DMM climbing equipment.
Also Known As
The DMM Fidus 8.5mm Loop is also referred to as a certified anchor loop, sewn loop anchor, friction hitch loop, prussik loop, 8.5mm anchor sling and rope tool loop. In some contexts it may be called a Fidus prusik loop due to its suitability as a friction hitch cord at this diameter. For ordering, reference the product code for your chosen length — RPL85-3-BWG-[length] — and confirm the length suffix matches your required loop size.
Complete Your Kit
- DMM Fidus 10mm Eye to Eye — the larger diameter sibling for longer anchor configurations
- DMM Tryggr Thimble — the compact 6.5mm retrievable choking anchor for SRS/SRT
- Climbing Harnesses — required PPE for work positioning systems using these anchors
FAQs
What is the difference between the 8.5mm Loop and the 10mm Eye to Eye?
The 8.5mm Loop uses a sewn loop (single continuous cord) with a narrower 8.5mm diameter, offering a finer handling feel and shorter minimum length (50 cm vs 70 cm). The 10mm Eye to Eye has separate sewn eyes at each end and a heavier cord feel. Both are certified for straight, basket and choked configurations to the same standards.
Can the Fidus 8.5mm Loop be used as a friction hitch cord?
The 8.5mm diameter and loop construction are suitable for friction hitch use alongside appropriate connectors and climbing lines. Confirm compatibility with your specific system and climbing line against DMM's technical documentation before use as a friction hitch.
Is this certified for rescue use?
Yes. PD CEN/TS 16415:2013 certification confirms a 300 kg maximum combined user weight in two-person rescue configuration, across straight, basket and choked configurations.
Which length should I choose?
Length selection depends on the anchor point circumference and required system geometry. The 8.5mm Loop's 50 cm minimum makes it the right choice when a compact, short-loop anchor configuration is needed — where the 70 cm minimum of the 10mm range would be too long. Contact Gustharts if you need guidance on length selection for your specific application.
Technical Details
Downloads
Download PDFDMM Fidus 8.5mm Loop - Certified Sewn Loop Anchor - EN 795:2012 Type B - 50–105cm
The DMM Fidus 8.5mm Loop is a certified sewn loop rope tool in 8.5mm polyester cord — positioned between the 6.5mm and 10mm Fidus products in the DMM anchor range. The reduced 8.5mm diameter changes the handling feel compared to the 10mm Eye to Eye, offering improved precision and a lighter weight at equivalent or shorter lengths, while maintaining the same dual certification for straight, basket and choked configurations to EN 795:2012 Type B, and rated for two-person rescue loads under PD CEN/TS 16415:2013 (max 300 kg combined). The sewn loop construction — without a separate eye-to-eye termination — creates a single continuous cord loop that connects at the load point in any of the three certified configurations. Black/White/Grey Fidus cord contrasts with main climbing lines and lanyards. Available in six lengths: 50, 55, 65, 75, 90 and 105 cm, from 75g upward. Gustharts is an authorised DMM dealer.
DMM is a Welsh manufacturer of professional climbing, rigging and work-at-height hardware, based in Llanberis since 1981.
Key Features
- 8.5mm bespoke polyester cord — narrower diameter than the 10mm Eye to Eye; lighter at equivalent lengths; improved handling precision in system setup and adjustment
- Sewn loop construction — continuous single loop with compact stitch termination; connects at the load point in straight, basket or choked configuration without separate eye attachment points
- Certified in three configurations — straight, basket and choked — same three-configuration certification as the 10mm Eye to Eye; the most versatile certification in the Fidus anchor range
- 75g to ~148g depending on length — consistently the lightest Fidus standalone anchor tool at comparable lengths
- Six stocked lengths: 50, 55, 65, 75, 90 and 105 cm — shorter minimum (50 cm) than the 10mm range, covering compact anchor configurations not achievable with the longer-minimum products
- Black/White/Grey Fidus cord — colour and pattern contrast with main climbing lines, lanyards and the 10mm range for quick in-system identification
- EN 795:2012 Type B and PD CEN/TS 16415:2013 certified — 300 kg two-person rescue rated across all three configurations
- UV resistant, durable polyester construction — proven performance over extended service life in outdoor, high-UV environments
Technical Specification — Gustharts Stocked Lengths
| Length | Product Code | Weight | Max User Weight | Standards |
|---|---|---|---|---|
| 50 cm | RPL85-3-BWG-50 | 75g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 55 cm | RPL85-3-BWG-55 | 81g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 65 cm | RPL85-3-BWG-65 | 94g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 75 cm | RPL85-3-BWG-75 | 108g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 90 cm | RPL85-3-BWG-90 | 127g | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
| 105 cm | RPL85-3-BWG-105 | ~148g (confirm with Gustharts) | 300 kg | EN 795:2012 Type B; PD CEN/TS 16415:2013 |
Colour (all variants): Black / White / Grey | Cord: 8.5mm bespoke polyester | Configurations: Straight, Basket, Choked
Fidus 8.5mm Loop vs Fidus 10mm Eye to Eye — Which Do You Need?
Both are certified for straight, basket and choked configurations with the same 300 kg two-person rescue rating. The decision comes down to diameter preference, termination type and length range.
| Feature | Fidus 8.5mm Loop (this product) | Fidus 10mm Eye to Eye |
|---|---|---|
| Cord diameter | 8.5mm — improved handling precision | 10mm — larger cord feel |
| Termination | Sewn loop — single continuous loop | Sewn eye at both ends |
| Certified configurations | Straight, Basket, Choked | Straight, Basket, Choked |
| Length range (Gustharts) | 50–105 cm — shorter minimum | 70–180 cm — longer maximum |
| Weight at comparable length | Lighter — 75 cm = 108g | Slightly heavier — 75 cm = ~108g (similar) |
| Max user weight | 300 kg | 300 kg |
| Best for | Compact configurations; preference for finer diameter handling; shorter anchor geometry | Larger anchor points; longer configuration geometry; preference for 10mm handling feel |
See the Fidus 10mm Eye to Eye here. For the full DMM Fidus range including retrievable anchor options, see all DMM climbing equipment.
Also Known As
The DMM Fidus 8.5mm Loop is also referred to as a certified anchor loop, sewn loop anchor, friction hitch loop, prussik loop, 8.5mm anchor sling and rope tool loop. In some contexts it may be called a Fidus prusik loop due to its suitability as a friction hitch cord at this diameter. For ordering, reference the product code for your chosen length — RPL85-3-BWG-[length] — and confirm the length suffix matches your required loop size.
Complete Your Kit
- DMM Fidus 10mm Eye to Eye — the larger diameter sibling for longer anchor configurations
- DMM Tryggr Thimble — the compact 6.5mm retrievable choking anchor for SRS/SRT
- Climbing Harnesses — required PPE for work positioning systems using these anchors
FAQs
What is the difference between the 8.5mm Loop and the 10mm Eye to Eye?
The 8.5mm Loop uses a sewn loop (single continuous cord) with a narrower 8.5mm diameter, offering a finer handling feel and shorter minimum length (50 cm vs 70 cm). The 10mm Eye to Eye has separate sewn eyes at each end and a heavier cord feel. Both are certified for straight, basket and choked configurations to the same standards.
Can the Fidus 8.5mm Loop be used as a friction hitch cord?
The 8.5mm diameter and loop construction are suitable for friction hitch use alongside appropriate connectors and climbing lines. Confirm compatibility with your specific system and climbing line against DMM's technical documentation before use as a friction hitch.
Is this certified for rescue use?
Yes. PD CEN/TS 16415:2013 certification confirms a 300 kg maximum combined user weight in two-person rescue configuration, across straight, basket and choked configurations.
Which length should I choose?
Length selection depends on the anchor point circumference and required system geometry. The 8.5mm Loop's 50 cm minimum makes it the right choice when a compact, short-loop anchor configuration is needed — where the 70 cm minimum of the 10mm range would be too long. Contact Gustharts if you need guidance on length selection for your specific application.
Technical Details
Downloads
Download PDFDelivery Information
UK Delivery
Fast, reliable delivery from our UK warehouse.
- FREE UK Standard Delivery
applies to eligible UK orders over £75 ex VAT.
Estimated delivery: 2–4 working days
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days
- Next Working Day Delivery – £6.00 + VAT
Order before 3:00pm (Monday–Friday) for next working day delivery
All UK orders are dispatched Monday–Friday and sent via a tracked courier service.
International Delivery
We ship worldwide from the UK.
- Europe from £10.00 - Estimated delivery: 2–7 working days
- Rest of the World from £12.00 - Estimated delivery: 2–11 working days
Shipping costs and delivery times are calculated at checkout based on destination and order contents.
Customs, Duties & Taxes
International orders may be subject to local import duties, taxes, or customs charges.
When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.
Customs processing times may affect delivery estimates.
Returns
30-Day Return Policy
- Items can be returned within 30 days of delivery
- Products must be unused and in original condition
- Return postage costs apply unless the item is faulty or incorrect
For full details, please visit our Shipping & Returns page.
UK Delivery
Fast, reliable delivery from our UK warehouse.
- FREE UK Standard Delivery
applies to eligible UK orders over £75 ex VAT.
Estimated delivery: 2–4 working days
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days
- Next Working Day Delivery – £6.00 + VAT
Order before 3:00pm (Monday–Friday) for next working day delivery
All UK orders are dispatched Monday–Friday and sent via a tracked courier service.
International Delivery
We ship worldwide from the UK.
- Europe from £10.00 - Estimated delivery: 2–7 working days
- Rest of the World from £12.00 - Estimated delivery: 2–11 working days
Shipping costs and delivery times are calculated at checkout based on destination and order contents.
Customs, Duties & Taxes
International orders may be subject to local import duties, taxes, or customs charges.
When UPS is selected at checkout, applicable duties and taxes are included in the total price. For other shipping services, duties and taxes may be charged separately on delivery and are the responsibility of the recipient.
Customs processing times may affect delivery estimates.
Returns
30-Day Return Policy
- Items can be returned within 30 days of delivery
- Products must be unused and in original condition
- Return postage costs apply unless the item is faulty or incorrect
For full details, please visit our Shipping & Returns page.
