Description 4pcs M6 20x 15mm Rubber Shock Absorber Rubber Vibration Isolator Mounts Specification Material natural rubber & steel Threaded M6 Rubber diameter 20 mm 0 79 Rubber height 15 mm 0 59 Features Mainly used for air compressors diesel engines gasoline engines water pumps As a damping element for welding machine & other equipment Protect the bodys normal work & get good surroundings damping noise reduction & the effect is obvious In the radio equipment instruments instrument protect machine vibration interference have a good buffer Package Included 4 x Rubber mounts More Details