The standard cylindrical rubber shock absorber is composed of a metal disc at one end and a threaded rod, and the other end is a metal disc interior. The products are mainly used in industrial machinery equipment, compressors, fans, air conditioners, pumps, motors, road rollers, vibrating plate equipment, etc. Special note: The rubber hardness of the shock absorber can be customized from 30 degrees to 90 degrees, and the screw length can also be customized Package Contents: 4 x Rubber Mounts. Please check your vehicle model before purchasing. Performance: Super shockproof structure, adhesion 40GK/CM2, tensile force 300%-400%, rubber hardness tolerance ±3 Size: 40 x 30 mm Material: rubber Color: black Package Contents: 4 x Rubber Mounts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.