Feature: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Shock absorption, cushioning and avoid mechanical body due to vibration caused by displacement and sliding and effectively reduce the noise.4.Damping element is used as air compressors, gasoline engines, water pumps, welding machines and other equipment you protect the body work and good environment, damping noise reduction, the effect is obvious.Material: rubber and metal Color:Black and SilverType:DE(Flat Base Block)Adhesion degree: 30GK / CM2Pull force: 300%Rubber hardness tolerance: 3Diameter: 20 mm/0.79 inchHeight: 15 mm / 0.59 inchThread: M6Size: 20 x 15mm/0.79 x 0.59inch(Dia x H)Brand name: BQLZRWeight:53g Package include:5 x Rubber Anti Vibration Rubber Mounts Isolators