Straight-Edge Dock Fender. Dimensions: 18″ x 3-1/2″ x 4-1/2″. Mounting pattern: (3) 5/16″ holes. Molded from a lightweight polymeric material that is soft to the touch, easy on hulls and resistant to UV, chalking, splitting and crushing. Ideal for boat docks and swim rafts. Low-profile soft top edge reduces tripping risks and aids in install. Soft on hulls. Recessed mounting holes.