Rubber Vibration Isolator is mainly used for air compressors, diesel engine engineers, gasoline engines, water pumps.<br> Welding computers and other devices as mating elements, in order for the body normal work and good environment, dampening noise reduction and the effect is obvious.<br> These brackets offer excellent reduction of noise and vibration.<br> Product Name: Rubber Vibration Isolator Buffer<br> Material: metal, rubber<br> External thread size (approx.): M4 x 10mm (diameter * L)<br> Internal thread Size (approx.): M4 x 6mm (diameter * L)<br> Rubber size (approx.): 15mm x 15mm<br> Total height (approx.): 25mm / 1 inch<br> Color: black, silver tone<br> Weight: 22g<br> Package content:<br> 4 pcs x rubber vibration isolator buffer<br> Only the above package content, other products are not included.<br> Note: Light shooting 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.