Ultra O Locksafe Carabiner
SKU: DMM | DD-A327MG
- Regular price
- £15.74 Ex VAT
- £18.89 Inc VAT
- RRP: £17.49 Ex VAT
- Sale price
- £15.74 £15.74 Ex VAT
- Regular price
-
- £18.89 £18.89 Inc VAT
- Was £17.49 Ex VAT
Free Standard UK Delivery Over £75 +VAT
Easy Returns
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Product information & specifications
The DMM Ultra O Locksafe Carabiner is a versatile choice for climbers, riggers, and anyone needing a secure and dependable connection. This oval-shaped carabiner boasts a triple-action locking gate that minimizes the risk of accidental opening, ensuring your gear stays put during critical moments.
Key Features of the DMM Ultra O Locksafe Carabiner:
-
Lightweight Design: Crafted from high-strength aluminium, the Ultra O Locksafe weighs in at just 74 grams, making it ideal for weight-conscious climbers and professionals.
-
Exceptional Strength: Despite its featherweight build, this carabiner offers an impressive maximum breaking strength (MBS) of 25kN on the major axis. This translates to a safe working load of 5kN, making it suitable for various climbing and rigging applications.
-
Optimal Functionality: The oval shape allows for smooth rope travel and efficient pulley use. The I-beam construction further optimizes strength-to-weight ratio without compromising durability.
-
Secure Locking Mechanism: The triple-action locking gate features a screwgate closure that requires three deliberate actions to open, providing the highest level of security against accidental snags or gate pops.
-
Available in Multiple Colours: The DMM Ultra O Locksafe Carabiner comes in a range of colours (including green, orange, and grey) to enhance visibility and facilitate easy identification within a gear collection.
Who Should Use the DMM Ultra O Locksafe Carabiner?
This carabiner is a great option for:
-
Rock Climbers: Use it for rappelling, building anchors, and connecting gear thanks to its secure locking mechanism and lightweight design.
-
Riggers: The high strength and secure locking gate make it suitable for various rigging applications where safety is paramount.
-
Cavers and Explorers: Its dependable locking mechanism offers peace of mind in challenging environments.
Overall, the DMM Ultra O Locksafe Carabiner is a reliable and versatile choice for climbers, riggers, and anyone requiring a secure and lightweight connection.
Karabiners
| Standard | EN362:2004 B EN12275:2013 X/B UIAA121:2009 |
|---|---|
| Weight | 74g |
| Width | 63mm |
| Length | 109mm |
| Gate Opening | 19mm |
| MBS Open | 7kN |
| MBS Minor | 12kN |
| MBS Major | 25kN |
The DMM Ultra O Locksafe Carabiner is a versatile choice for climbers, riggers, and anyone needing a secure and dependable connection. This oval-shaped carabiner boasts a triple-action locking gate that minimizes the risk of accidental opening, ensuring your gear stays put during critical moments.
Key Features of the DMM Ultra O Locksafe Carabiner:
-
Lightweight Design: Crafted from high-strength aluminium, the Ultra O Locksafe weighs in at just 74 grams, making it ideal for weight-conscious climbers and professionals.
-
Exceptional Strength: Despite its featherweight build, this carabiner offers an impressive maximum breaking strength (MBS) of 25kN on the major axis. This translates to a safe working load of 5kN, making it suitable for various climbing and rigging applications.
-
Optimal Functionality: The oval shape allows for smooth rope travel and efficient pulley use. The I-beam construction further optimizes strength-to-weight ratio without compromising durability.
-
Secure Locking Mechanism: The triple-action locking gate features a screwgate closure that requires three deliberate actions to open, providing the highest level of security against accidental snags or gate pops.
-
Available in Multiple Colours: The DMM Ultra O Locksafe Carabiner comes in a range of colours (including green, orange, and grey) to enhance visibility and facilitate easy identification within a gear collection.
Who Should Use the DMM Ultra O Locksafe Carabiner?
This carabiner is a great option for:
-
Rock Climbers: Use it for rappelling, building anchors, and connecting gear thanks to its secure locking mechanism and lightweight design.
-
Riggers: The high strength and secure locking gate make it suitable for various rigging applications where safety is paramount.
-
Cavers and Explorers: Its dependable locking mechanism offers peace of mind in challenging environments.
Overall, the DMM Ultra O Locksafe Carabiner is a reliable and versatile choice for climbers, riggers, and anyone requiring a secure and lightweight connection.
Karabiners
| Standard | EN362:2004 B EN12275:2013 X/B UIAA121:2009 |
|---|---|
| Weight | 74g |
| Width | 63mm |
| Length | 109mm |
| Gate Opening | 19mm |
| MBS Open | 7kN |
| MBS Minor | 12kN |
| MBS Major | 25kN |
Downloads
Delivery & Returns
Christmas Returns (Extended)
To give you extra peace of mind over Christmas:
- Orders placed between 10 October and 24 December 2025 can be returned up to 26 January 2026 (excluding Sale items)
- Orders placed from 25 December 2025 onwards are covered by our standard 30-day return policy
UK Delivery
Fast, reliable delivery from our UK warehouse.
- FREE UK Delivery on orders over £50 + VAT
Estimated delivery: 2–4 working days
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days
- Next Working Day Delivery – £5.00 + 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.
Christmas Returns (Extended)
To give you extra peace of mind over Christmas:
- Orders placed between 10 October and 24 December 2025 can be returned up to 26 January 2026 (excluding Sale items)
- Orders placed from 25 December 2025 onwards are covered by our standard 30-day return policy
UK Delivery
Fast, reliable delivery from our UK warehouse.
- FREE UK Delivery on orders over £50 + VAT
Estimated delivery: 2–4 working days
- UK Standard Delivery from £3.60 + VAT
Estimated delivery: 2–4 working days
- Next Working Day Delivery – £5.00 + 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.

