Specifications: Material: Steel Maximum Tension: 10~25N Service Life: 50,000~8,000times Maximum Load: 20KGS~80KGS Color: Black Size: 31*2*3cm/12.2*0.8*1.2in Weight: 123g(approx.) Package Includes: 1 x Damper 1 x Bracket 2 x Screws Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.