Large Cast Pulley 20mm Rope
SKU: ISC | IS-RP057A1
- Regular price
- £157.21 Ex VAT
- £188.65 Inc VAT
- RRP: £174.95 Ex VAT
- Sale price
- £157.21 £157.21 Ex VAT
- Regular price
-
- £188.65 £188.65 Inc VAT
- Was £174.95 Ex VAT
Free Delivery Over £75 *
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Product information & specifications
ISC Large Cast Pulley for 20mm Rope – RP057 Heavy-Duty Rigging Pulley
The ISC Large Cast Pulley for 20mm Rope is a heavy-duty professional rigging pulley designed for large-scale arborist lowering, lifting and dismantling operations. Built as ISC’s biggest block yet, the RP057 combines robust construction, rope-friendly performance and a high working load limit for demanding tree rigging applications.
With a working load limit of 4000kg / 8800lbs, this large rigging pulley is ideal for bigger rigging jobs where strength, durability and smooth rope handling are essential. Designed for use with up to 20mm / 3/4" rope, it is a dependable choice for professional arborists carrying out heavy timber lowering and controlled dismantling work.
Key Features
- ISC Large Cast Pulley RP057 for professional rigging
- Designed for up to 20mm / 3/4" rope
- Heavy-duty construction for large rigging jobs
- 4000kg / 8800lbs working load limit
- Durable, robust and rope-friendly design
- Ideal for heavy timber lowering and dismantling
- CE approved for professional use
- Individually serial numbered for traceability
Built for Larger Rigging Jobs
The ISC RP057 is designed for demanding arborist rigging operations where larger ropes, heavier timber and stronger hardware are required.
High Working Load Limit
With a 4000kg / 8800lbs working load limit, this pulley is built to handle substantial rigging forces during controlled lowering and dismantling tasks.
Rope-Friendly Performance
The large cast pulley design helps support smooth rope movement, reducing unnecessary friction and helping protect rigging ropes during use.
Professional Traceability
Each ISC Large Cast Pulley is individually serial numbered, supporting equipment inspection, traceability and professional kit management.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | ISC Large Cast Pulley RP057 |
| Pulley Type | Large heavy-duty rigging pulley |
| Maximum Rope Diameter | 20mm / 3/4" |
| Working Load Limit | 4000kg / 8800lbs |
| Approval | CE approved |
| Traceability | Individually serial numbered |
Ideal For
- Large-scale arborist rigging operations
- Heavy timber lowering and dismantling
- Professional tree surgery rigging systems
- Controlled lowering with larger rigging ropes
- Arborists needing a robust high-capacity pulley
Explore More
Best For
The ISC Large Cast Pulley RP057 is best suited to professional arborists who need a durable, high-capacity rigging pulley for larger lowering and dismantling jobs.
Why Choose the ISC Large Cast Pulley?
With its 4000kg working load limit, 20mm rope capacity, robust cast construction and rope-friendly design, the ISC RP057 is built for serious professional rigging work.
Climbing Hardware
| SWL | 40kN |
|---|---|
| MBS | 200kN |
| Weight | 3432g |
| Material | Cast Aluminium |
| Width | 160mm |
| Length | 258mm |
| Working Load Limit (WLL) | 40kN |
| Rope Size | 19mm |
ISC Large Cast Pulley for 20mm Rope – RP057 Heavy-Duty Rigging Pulley
The ISC Large Cast Pulley for 20mm Rope is a heavy-duty professional rigging pulley designed for large-scale arborist lowering, lifting and dismantling operations. Built as ISC’s biggest block yet, the RP057 combines robust construction, rope-friendly performance and a high working load limit for demanding tree rigging applications.
With a working load limit of 4000kg / 8800lbs, this large rigging pulley is ideal for bigger rigging jobs where strength, durability and smooth rope handling are essential. Designed for use with up to 20mm / 3/4" rope, it is a dependable choice for professional arborists carrying out heavy timber lowering and controlled dismantling work.
Key Features
- ISC Large Cast Pulley RP057 for professional rigging
- Designed for up to 20mm / 3/4" rope
- Heavy-duty construction for large rigging jobs
- 4000kg / 8800lbs working load limit
- Durable, robust and rope-friendly design
- Ideal for heavy timber lowering and dismantling
- CE approved for professional use
- Individually serial numbered for traceability
Built for Larger Rigging Jobs
The ISC RP057 is designed for demanding arborist rigging operations where larger ropes, heavier timber and stronger hardware are required.
High Working Load Limit
With a 4000kg / 8800lbs working load limit, this pulley is built to handle substantial rigging forces during controlled lowering and dismantling tasks.
Rope-Friendly Performance
The large cast pulley design helps support smooth rope movement, reducing unnecessary friction and helping protect rigging ropes during use.
Professional Traceability
Each ISC Large Cast Pulley is individually serial numbered, supporting equipment inspection, traceability and professional kit management.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | ISC Large Cast Pulley RP057 |
| Pulley Type | Large heavy-duty rigging pulley |
| Maximum Rope Diameter | 20mm / 3/4" |
| Working Load Limit | 4000kg / 8800lbs |
| Approval | CE approved |
| Traceability | Individually serial numbered |
Ideal For
- Large-scale arborist rigging operations
- Heavy timber lowering and dismantling
- Professional tree surgery rigging systems
- Controlled lowering with larger rigging ropes
- Arborists needing a robust high-capacity pulley
Explore More
Best For
The ISC Large Cast Pulley RP057 is best suited to professional arborists who need a durable, high-capacity rigging pulley for larger lowering and dismantling jobs.
Why Choose the ISC Large Cast Pulley?
With its 4000kg working load limit, 20mm rope capacity, robust cast construction and rope-friendly design, the ISC RP057 is built for serious professional rigging work.
Climbing Hardware
| SWL | 40kN |
|---|---|
| MBS | 200kN |
| Weight | 3432g |
| Material | Cast Aluminium |
| Width | 160mm |
| Length | 258mm |
| Working Load Limit (WLL) | 40kN |
| Rope Size | 19mm |
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Delivery & Returns
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.

