Specifications Breaking load (kg) [kg]: 1361 Breaking load (lb) [lb]: 3000 Holding power: 15:1 Length (in) [in]: 5 3/8 Length (mm) [mm]: 137 Maximum line Ø (in) [in]: 7/16 Maximum line Ø (mm) [mm]: 12 Maximum working load (kg) [kg]: 341 Maximum working load (lb) [lb]: 750 Product Warning: DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use. Shackle pin Ø (in) [in]: 1/4 Shackle pin Ø (mm) [mm]: 6 Shackle pin Ø (mm) [mm]: 6 Sheave Ø (in) [in]: 2 15/16 Sheave Ø (mm) [mm]: 75 Weight (g) [g]: 227 Weight (oz) [oz]: 8