Metallic pulley system with 'RP257' marking on a white background
Metal pulley system on a white background
Metal pulley system with red and gold components on a white background
ISC 200 Series pulleys displayed in three sizes, featuring the new SafeLock system for rigging and lifting.
    Metallic pulley system with 'RP257' marking on a white background
    Metal pulley system on a white background
    Metal pulley system with red and gold components on a white background
    ISC 200 Series pulleys displayed in three sizes, featuring the new SafeLock system for rigging and lifting.
Metallic pulley system with 'RP257' marking on a white background

Free Delivery

Metal pulley system on a white background

Free Delivery

Metal pulley system with red and gold components on a white background

Free Delivery

ISC 200 Series pulleys displayed in three sizes, featuring the new SafeLock system for rigging and lifting.

Free Delivery

200 Series Large Rigging Pulley

SKU: ISC | IS-RP257

Regular price
£322.96 Ex VAT
£322.96 £322.96 Ex VAT
Shipping calculated at checkout.
Regular price
£322.96 Ex VAT
£387.55 Inc VAT
RRP: £379.95 Ex VAT
Sale price
£322.96 £322.96 Ex VAT
Regular price
£387.55 £387.55 Inc VAT
Was £379.95 Ex VAT

or 4 interest-free
payments of £96.89 with

Free Standard UK Delivery Over £75 +VAT

Easy Returns

Product information & specifications

ISC RP257 Pulley – The Largest in the 200-Series with SafeLock System

 

Introducing the ISC RP257, the largest and most robust pulley in our renowned 200-series range, specifically designed for demanding rigging and lifting applications across the UK. This high-performance pulley integrates our new, Patent Pending "SafeLock" system, building upon the established reliability and ease of use that professionals expect from ISC pulleys.

The innovative SafeLock locking mechanism offers a highly impressive, extremely low-profile design while maintaining the quick-action and secure functionality of a SpringLock. This clever engineering ensures rapid deployment and secure attachment, essential for efficiency and safety in critical operations.

As the largest in the 200-series, the ISC RP257 is built to handle significant loads, making it an indispensable tool for arborists, tree surgeons, rescue teams, and industrial rigging specialists. Its robust construction is matched by the intuitive SafeLock system, providing both strength and user-friendly operation.

Choose the ISC RP257 pulley for superior performance, enhanced safety features, and the reliable build quality that ISC is known for, ensuring your most challenging tasks are completed with confidence.

Technical Information

Compatible with rope diameter (mm)26mm (1")
(MBS) Minimum Breaking Strength (kN)380kN
(MBS) Minimum Breaking Strength (lbf)85427lbf
Serial numberingAs standard
FinishAnodised
Weight (grams)5000
Weight (ounces)176

Approved Standards

CE Machinery Directive 2006/42/EC
UKCA Supply of Machinery (Safety) Regulations 2008

Notes

WLL 76kN (17085lbf)

ISC RP257 Pulley – The Largest in the 200-Series with SafeLock System

 

Introducing the ISC RP257, the largest and most robust pulley in our renowned 200-series range, specifically designed for demanding rigging and lifting applications across the UK. This high-performance pulley integrates our new, Patent Pending "SafeLock" system, building upon the established reliability and ease of use that professionals expect from ISC pulleys.

The innovative SafeLock locking mechanism offers a highly impressive, extremely low-profile design while maintaining the quick-action and secure functionality of a SpringLock. This clever engineering ensures rapid deployment and secure attachment, essential for efficiency and safety in critical operations.

As the largest in the 200-series, the ISC RP257 is built to handle significant loads, making it an indispensable tool for arborists, tree surgeons, rescue teams, and industrial rigging specialists. Its robust construction is matched by the intuitive SafeLock system, providing both strength and user-friendly operation.

Choose the ISC RP257 pulley for superior performance, enhanced safety features, and the reliable build quality that ISC is known for, ensuring your most challenging tasks are completed with confidence.

Technical Information

Compatible with rope diameter (mm)26mm (1")
(MBS) Minimum Breaking Strength (kN)380kN
(MBS) Minimum Breaking Strength (lbf)85427lbf
Serial numberingAs standard
FinishAnodised
Weight (grams)5000
Weight (ounces)176

Approved Standards

CE Machinery Directive 2006/42/EC
UKCA Supply of Machinery (Safety) Regulations 2008

Notes

WLL 76kN (17085lbf)

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.

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