Features: Made of high quality material,rust-resistant for long usage and durable. Designed for hanging things with rope or cord in indoor and outdoor applications. Easy to assemble and disassemble. Quickly and easily connects safety chains from trailer to tow vehicle. Designed to provide ultimate strength in a heavy weight and duty Specifications: Color: Silver as Pictures Material: Metal Bearing:1000KG/800KG (Optional) (for Bearing:1000KG):Full Length:approx 20cm/7.87in (for Bearing:1000KG):Diameter of Wheel：approx 6.5cm/2.56in (for Bearing:1000KG) Width of Wheel Groove-approx 0.9cm/0.35in (for Bearing:800KG) Full Length:approx 15cm/5.9in (for Bearing:800KG) Diameter of Wheel:5cm/1.97in (for Bearing:800KG) Width of Wheel Groove-approx 1cm/0.39in Quantity: 1PC Package Includes: 1PC Single Pulley note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement.