ISC Arborist Block 16mm (5/8") Size:Default If you own one of

If you own one of Petzls bucket bags this would be great to store on top of your rope

Ready for use with just one carabiner

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

Width:  45mm

ISC Arborist Block 16mm (5/8") Size:Default If you own one ofISC 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