1,Rubber bracket can absorb vibration caused by electrical appliances, dampen vibration and reduce noise. 2,Made of rubber, with great elasticity and good cushioning, it can protect the machine very well. 3,Can be used to install the control panel on equipment that experiences a lot of vibration to reduce noise efficiently. 4,Easy to use, put them between the garage door opener and the installation strap to eliminate some noise. 5,Suitable for air conditioners, fitness equipment, bicycles, air compressors, engines, gasoline engines, electric welders, water pumps, etc. 5 x Rubber Vibration Isolator Item Type: Rubber Vibration IsolatorCommodity Material: RubberStud Size: M6(Approx. 6mm / 0.2in ) / M8(Approx. 8mm / 0.3in) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.