Material: Steel With Die Cast SheaveFinish: Zinc PlatedSafe Work Load: 650 lbs.Maximum Rope Size: 1/2"Designed For Use With Rope Or Cord In Indoor And Outdoor ApplicationsLife Lube Alloy Bearing, Sheave Rolls SmoothlyPatented Bearing Design Eliminates Metal To Metal Contact For Smooth, Quiet OperationFixed EyeRemovable Axle And Sheave For Easier RiggingDo Not Use For Overhead Lifting Or Support Of Human Weight