ISC Arborist Block 16mm (5/8") Size:Default Openable spring bar for avoiding

Openable spring bar for avoiding the risk of cross loading

The top section applies a bend to the line in a similar way to the Rope Wrench while the bottom half has a unique friction plate and pulley that applies friction when under load

This is the 10mm Armor Prus with the HMPE core (Spectra 900/Kevlar)

Ready for use with just one carabiner

Width:  45mm

ISC Arborist Block 16mm (5/8") Size:Default Openable spring bar for avoidingISC Alloy Arborist Block 16mm (5 8"). The RP051 from ISC is a cast aluminum block made from high tech aluminum alloy. It is incredibly light, but strong. Aluminum alloy bushings and sheaves are supported by stainless steel axles. Spring lock captive bushings are easily accessed by a quick twist nob. Sheave is supported by a sintered bronze bushing. Side plates are broad enough to protect lines during use and painted with a powder coated finish. The