Material: Steel With Die Cast SheaveFinish: Zinc PlatedSafe Work Load: 420 lbs.Maximum Rope Size: 3/8"Designed For Use With Rope Or Cord In Indoor And Outdoor ApplicationsLife Lube Alloy Bearing, Sheave Rolls SmoothlyRemovable Axle And Sheave For Easier RiggingFor Wall Or Ceiling MountingDo Not Use For Overhead Lifting Or Support Of Human Weight