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ISC RP055 Arborist Block

ISC RP055 Arborist Block

ISC RP055 Arborist Block



The 19 mm, spring loaded RP055 arborist block from ISC is perfect for medium to heavy tree work. The RP055 offers a compact design with a unique spring-lock swinging cheek mechanism which opens easily for mid-line attachment. Eliminates the chance of dropping a sheave. The rope friendly rounded side plates are thick aluminium with a blue powder coating to enhance the life of the block.

Minimum Qty

1 Items

Order Ships in

1 Bus Days


In Stock

Product Code: 201-02001003

All prices include GST
  • Push-to-turn release mechanism
  • Stainless steel spindle and bushing pins, sealed for long life
  • Rugged cast aluminum side plates
  • 92 mm sheave for improved bend ratio on the working line
  • Made in Wales
Length 230 mm
Weight 2.17 kg
Suitable for cable? NO
Working Line Ø ≤ 19 mm
Top Strop Ø ≤ 29 mm
MBS 150 kN
WLL 30 kN
Conforms to EN12278:2007
NFPA 1983
Class G

Under $250  
Auckland $6.90
North Island $9.90
South Island $12.90
Orders Over $250 FREE*


Due to factors out of our control, Treetools is experiencing random shipping delays and supply issues that may result in some gear not being available either in-store and/or online. We apologise for any inconvenience this may cause.

*Free Shipping excludes ladders and overweight product.

NO INTERNATIONAL SHIPPING Treetools is a 'kiwi only' affair.
Find out more about Treetools Shipping and Return Policy here.
All parcels require a signature on delivery unless requested otherwise.

Accurately tracking the life of a product is paramount for your safety

At Treetools, we prioritize your safety above all else, so we cannot accept returns on safety equipment. This policy ensures that your gear is always brand new, safe, and traceable to our trusted manufacturers and suppliers. We understand the critical role this equipment plays in your safety, potentially even preserving your life during climbs or work aloft. Therefore, we urge you to choose carefully before making your purchase. Additionally, please note that suitably trained and qualified individuals should use the climbing and rigging equipment listed on our website. Thank you for your understanding and commitment to safety.

What counts as work at height safety equipment?
  • Ascenders
  • Carabiners
  • Climbing Kits
  • Climbing Lines
  • Climbing spurs
  • Connectors
  • Descenders
  • Friction Cords
  • Friction Savers
  • Harnesses
  • Helmets
  • Lanyards
  • Pulleys
  • Rope Tools
  • Slings
  • Swivels

It is crucial that you select compatible gear for your specific configuration to ensure maximum safety. Failure to do so may result in severe consequences. We highly recommend that you choose the correct diameter rope that matches the hardware you are using. Please note that safety products cannot be returned due to configuration incompatibility. Therefore, we strongly advise you to conduct thorough research or ask us for clarification before making a purchase. Your safety is our top priority.

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