Cmi Stainless Rescue Pulley Features: Generous, stainless steel side plates protect the rope and keep it in place ; 1⁄2?Ç¥ (12.7 mm) rope capacity ; Weight: 10.4 oz. (295 g) ; Strength rated to 8,500 lbs. (3856 kg) ; 10-0698 stainless/aluminum sheave/sealed bearing.