Keenso -- 4pcs M6 Rubber Anti-Vibration Isolator Mounts Air Compressor Pump Shock Absorber with Screws Features: Mainly used for air compressors, diesel engines, gasoline engines, water pumps.As a damping element for welding machine and other equipment.Protect the body's normal work and get good surroundings, damping noise reduction and the effect is obvious.In the radio equipment, instruments, instrument, protect machine vibration interference , have a good buffer.Specially designed for vibration and noise control. Simple geometrical design supports dynamic performance and stability under lateral (sideways) forces. Extremely durable high quality metal bonded rubber part.