Have you tired of scuffed floor or noisy mini split / air compressors etc? Want to reduce the loudly vibrates of devices? Rubber isolaor sets will take care of these problems. As a damping for welding machine and other equipment for vibration, shocks and noise control. Features - Color: Black. - Material: Rubber. - Size: 6.50 x 3.00 x 3.00cm/ x 1.18 x 1.18 inch. - The rubber mounts with studs and nuts, which used to reduce noise and shocks absorption. - Made of rubber (high durometer) and coating, protect machine vibration interference, resilient and anti-aging. - Design to shocks absorption of heavy duty mini split , air compressor, garage door lift motor, harvester, generator, water pumps, gasoline engines etc. - All you have to do is to place the devices holes in the screws and fasten the nuts of the anti vibration mounts. - Used to reduce the noise and shocks absorption of heavy duty machines. Package list: 4 x vibration isolators