Quality rubber shock absorbers is made of natural rubber and steel‎.‎ Rubber shock absorbers is mainly used for air compressors‎,‎ diesel engines‎,‎ gasoline engines‎,‎ water pumps‎.‎ Welding machine and other equipment as a damping element‎,‎ in order to protect the body‎'‎s normal work and get good surroundings‎,‎ damping noise reduction and the effect is obvious‎.‎  Features and high quality‎.‎ 3/4‎"‎ in thickness ‎(‎rubber height‎)‎ and 3/4‎"‎ in diameter‎.‎ Two 1/2‎"‎ long studs with 1/4‎-20 threads‎.‎ Excellent noise and vibration reduction effect‎.‎ M6 * 20 * 20  indicate threaded M6‎,‎ rubber diameter 20mm‎,‎ rubber height 20mm‎.‎ Specifications Material‎:‎ Natural rubber and steel Dimension：As picture