Light, galvanized-steel shell blocks are fitted with snubbing hooks to hold the load. Sheaves are strong yet lightweight aluminium alloy with all-bronze bushings. All block and tackle use high-quality, 3/8 inch diameter rope. 25 ft rope length. Hooks fit under insulator and engage pin on cross arm. Maximum safe load is 750 lb. These are not occupational protective hooks. Not for human support.
All Klein block and tackle use high-quality, 3/8-Inch (1 cm) diameter rope
25 ft (7.62 m) rope length
Maximum safe load is 750 lbs. (340 kg)