Color: Silver; Shaft Diameter: 12mm / 0.47 inch; Roller Diameter: 38mm / 1.5 inch; Roller Length: 200mm / 7.87 inch; Total Length: 240mm / 9.45 inch||Application: The conveyor rollers are cylindrical-shaped bars that run along and underneath a conveyor belt. Normally used in assembly lines, warehouses, and manufacturing facilities to transport goods||Advantage: Constructed of a stainless steel surface and galvanized end caps, rust-resistant, waterproof, smooth and durable. Built-in bearings, spring press-in installation method||Instruction: The gravity rollers are fitted into a frame, which is inclined slightly. They reduce the risk of goods being damaged and also withstand heavy loads||Notice: Please confirm the size of roller, frame, width, and roller centers you need carefully before ordering