Isolate It!: Sorbothane Sheet Stock 70 Duro (3/16x 12 x 12in) Superior Vibration Absorbing Urethane Absorbs up to 94.7% of Vibration Durometer: 70 Durometer (Shore OO) Thickness Tolerance: +/- 0.020" Contact Isolate It! for other durometers, adhesive backing and custom options