ITEM NAME:M8 30 x 30mm Double Sides Anti Rubber Vibration Buffer Insulator Coil M3G3 M8 30 x 30mm Double Sides Anti Rubber Vibration Buffer Insulator Coil M3G3 Vibration damping elements are designed to damp vibrations, shocks and noises produced by moving bodies or vibrating masses that can cause disruption and reduction of the life of the machine Product Name: Anti Vibration Buffer Thread diameter (approx.): M8 / 0,31 inch Body size (approx.): 30 x 30mm / 1.2 inch x 1.2 inch (D * H) Main material: rubber, metal Color: black, silver Net weight: 56g Package content: 1 x anti vibration buffer.Body size (approx.).