The standard cylindrical rubber is composed of a metal disc at one end and a screw rod, and the other end is a metal disc inner wire. The products are mainly used in industrial machinery equipment, compressors, fans, air conditioners, water pumps, motors, road rollers, vibration plate equipment, etc Special Note: The rubber hardness of the can be customized from 30 degrees to 90 degrees, and the length of the screw can also be customized Package Included: 4 x Rubber Mounts. Please Check Your Vehicle Model Before Purchase. Performance: Super shockproof structure design, adhesion 40GK/CM2, tensile force 300% -400%, rubber hardness tolerance ±3 size: 40 x 30mm Material: rubber colour: 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.