Dock Bumper, Laminated Rubber, Overall Height 10 in, Overall Depth 4 1/2 in, Overall Width 19 3/4 in, Rectangular, Bumper Height 10 in, Bumper Width 14 1/2 in, Bumper Depth 4 1/2 in, Mounting Hole Dia. 13/16 in, Mounting Holes O.C. W 18 in, Mounting Holes O.C. H 6 in, Number of Mounting Holes 4, Mounting Style Bolt On