Description Have you tired of scuffed floor or noisy mini split heat pump/ 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/ 2.55 x 1.18 x 1.18 inch.- The rubber mounts with studs and nuts, which used to reduce noise and shocks absorption.- Made of durable rubber (high durometer) and coating, protect machine vibration interference, resilient and anti-aging.- Design to shocks absorption of heavy duty mini split heat pumps, 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.Packing list: 4 x vibration isolators