Dock Bumper, Rubber, Overall Height 8 in, Overall Depth 2 in, Overall Width 17 1/2 in, Rectangular, Bumper Height 8 in, Bumper Width 17 1/2 in, Bumper Depth 2 in, Mounting Hole Dia. 5/8 in, Mounting Holes O.C. W 1 15/16 in, Mounting Holes O.C. H 1 1/8 in, Number of Mounting Holes 2, Access Hole Dia. 1 15/16 in, Mounting Style Bolt On