Dock Bumper, Rubber, Overall Height 12 in, Overall Depth 6 in, Overall Width 25 3/4 in, Rectangular, Bumper Height 12 in, Bumper Width 20 1/2 in, Bumper Depth 6 in, Mounting Hole Dia. 13/16 in, Mounting Holes O.C. W 24 in, Mounting Holes O.C. H 8 in, Number of Mounting Holes 4, Mounting Style Bolt On