Description: 100% Brand new and high quality Mainly used for air compressors, 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. Rubber diameter ：30mm Height ：20mm Package including: 4 x Rubber mounts (with screws ring and flat ring)