ISC 1-2" SMALL BLOCK
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For ropes up to 1/2" diameter.
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.
MBS: 100kN (22,500lbs)