These rubber vibration isolator mounts measure 38mm length from end to end. These rubber vibration isolator mounts measure 5/8inch in thickness( rubber height) and 5/8 inch in diameter, and feature two 12mm long studs with M5 dia male threads. These mounts provide excellent noise and vibration reduction. Looking for a mount with a smaller or bigger diameter ? Check out our other listings as we have a similar mount with 5/8inch Dia. Can not find the mount that you are looking for? Do not hesitate to contact us. We may be able to help you.