Specification: Color: Silver Material: Stainless steel Size: 11.2 * 2.1cm / 4.41 * 0.83inch Screw hole diameter: 0.5cm / 0.19inch Made of stainless steel, this durable anti-skid rail is durable and has a long service life. Service life. Fine grinding mirror polishing, precision, brightness, good flatness, good quality, safer to use, easy installation, no drilling or welding required, direct replacement for the old or damaged one. < p>This non-slip skateboard is Ideal for mooring small boats such as kayak, canoe, dinghy, fishing boat, rowing boat. reaction, pontoon and small boat. It is also very suitable for small boats. to attach ropes to masts, boats, awnings, shutters, tarpaulins, etc. Super fine processing surface with glossy appearance, perfectly fitting into modern boats/yachts/marine boats. Package list: 4*Boat cleat, 8*Screws