Isolate It!: Sorbothane Vibration Isolation Bushing 50 Duro (.25" ID - 1" OD - .6" Deep) - 12 Pack Reduce Vibration in Sensitive Equipment Superior Vibration Absorbing Urethane Absorbs Upto 94.7% of Vibration Combine with Sorbothane Washer # 0510001 to make a complete bushing Commercial Grade Anti-Vibration Pad Load per pad in LBS.: 22-33 Sorbothane Part number : 0510002