Isolate It!: Sorbothane Vibration Damping Sheet Stock 30 Duro (3/8 x 12 x 12in) Superior Vibration Absorbing Urethane Absorbs up to 94.7% of Vibration Durometer: 30 Durometer (Shore OO) Thickness Tolerance: +/- 0.025" Contact Isolate It! for other durometers, adhesive backing and custom options