Slide-On post dock fender, 7" diameter x 15" height. Fits up to 2-3/8" O.D. post. Attwood's Dock Fenders carry an industry-best lifetime guarantee against splitting, cracking, chalking or deflating. Ideal for boat docks and swim rafts. Designed with SoftSide technology. Low-profile soft top edge reduces tripping risks and aids in install. Soft on hulls. Recessed mounting holes.