ISC Arborist Block 20mm (3/4") SRT-Single Rope Technique The bottom friction pin features

The bottom friction pin features a roller sheave for a smoother ascent and descent

Size XS S L Volume 1

Utilizes proprietary Silky MIRAI-ME (Smooth Cutting) Technology - The Teeth of the Future

Rigging Just Got Serious

Well worth the investment and actually the best value in the long term

ISC Arborist Block 20mm (3/4") SRT-Single Rope Technique The bottom friction pin featuresISC 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