The SafeLink Turnbuckle is a cable tensioner designed for use with all cable horizontal lifeline systems to easily and accurately adjust for proper tension. Solid drop-forged construction Adjusts from 18? to 28? Includes 2 shackle ends with locking bolts Materials: Galvanized steel Weight: 3.4 lbs. (1.5 kg) Length: 17.5" (444.5 mm) overall closed Width: 1.68" (42.67 mm) at widest point Minimum Breaking Strength: 5,000 lbs. Weight Capacity: 130-310 lbs. (59-141 kg) ANSI Standards: Z359.1, A10.32 OSHA Standards: 1926.502