Check the listing for details. Dock Bumper 6"x3-1/2"x 3-1/2" Solid Rubber, 1-1/2" Access Hole, Angle. Condition: Used. Listed at 9.95 USD. Bumper Backing Material. Bumper Face Material. Bumper Shape. Solid-rubber dock bumpers absorb heavy impact on high-traffic loading docks. Solid rubber is weather and wear resistant for long life. Bumper Width.