ISC Arborist Block 20mm (3/4") ART Products without the need for the

without the need for the creation of extra friction

With the Omni

Carabiner not included

Air storage insulates and cools

Shock absorption achieved through deformation of the outer shell

ISC Arborist Block 20mm (3/4") ART Products without the need for theISC Alloy Arborist Block 20mm (3 4") The updated RP055 from ISC is a 3 4" capacity spring block perfect for the working arborist. Compact design and the unique upper sheave opens and closes and secures easily. Eliminates the chance of dropping a sheave. The rope friendly rounded side plates are thick aluminum with a blue powder coating to enhance the life of the block. MBS: 150KN WLL: 30KN Pulley wheel colour Green Anchor wheel colour Red Body