ISC Arborist Block 16mm (5/8") Boots Tie a small overhand knot

Tie a small overhand knot close to the end of the rope

With the swing open side plate you can easily attach mid-line

Used to attach the steel sleeve onto the shank

balance and superior finish quality

6lt: 15cm diameter

ISC Arborist Block 16mm (5/8") Boots Tie a small overhand knotISC 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