Dock Bumper, Extruded Rubber, Overall Height 6 In., Overall Depth 2 In., Overall Width 2 In., D-Shape, Bumper Height 6 In., Bumper Width 2-1/8 In., Bumper Depth 1-7/8 In., Mounting Hole Dia. 3/8 In., Mounting Holes O.C. W 3 In., Number of Mounting Holes 2, Access Hole Dia. 11/16 In., Mounting Style Bolt On