Crew can quickly fasten these opening blocks wherever needed. ULC bearing technology ensures sheaves turn smoothly and maintain efficiency at high loads. The articulating Loop carries the block???s primary load.Sheave(mm)38mmWeight (g)107gWeight (kg)0.092kgMaximum line(mm)11mmMaximum working load (kg)2300kgBreaking load (kg)4600kgLoop(mm)7mmUse loopHCP1800FootnoteWeight includes loop and strap.DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.








