Schaefer Single Block w/ Swivel Shackle Triple Sheave(45mm) the lanyard is attached to

the lanyard is attached to the blunt end and can be pulled out either by hand or by winch

NO EXTRA REINFORCING ON THE SEAT PANELS

this is the same shackle that has had its place in every major yachting event since its creation

Length: 2 in

80-55 and 80-56

Schaefer Single Block w/ Swivel Shackle Triple Sheave(45mm) the lanyard is attached toProduct Description Schaefer Single Block w Swivel Shackle Single Block swivels for clear, clean leads. For control lines on boats to 18'. Swivel allows varying line leads. Specifications: Sheave Dia.: 3 4 in. (19 mm) Sheave Width: 11 32 in. (9 mm) Pin Dia.: 3 16 in. (5 mm) Thickness: 15 32 in. (12 mm) Width: 7 8 in. (22 mm) Length: 2 19 32 in. (66 mm) SWL: 750 lbs. (340 kg) Weight: 1 oz. (28 g) Max Line: 1 4 in. (6 mm)