This non-slip skateboard is made of 316 stainless steel, which is polished, rustproof and resistant to seawater. The sturdy flag pole can be installed anywhere on the ship. This non-slip skateboard has ultra-fine processing surface and glossy appearance, which is very suitable for modern ships/yachts/ships. This non-slip skateboard is precision polished, mirror polished, precise, bright, and has good flatness. It is also easy to install without soldering; even though it is lightweight, it can hold the rope without worrying about falling or slipping. Our cleat hooks require no drilling or welding. It can be used as a direct replacement for old or damaged mooring cleats to make the rope more stable and windproof. Deck rope cleats are not only very suitable for connecting ropes to flag poles, boats, yachts, inflatable yachts, awnings, etc., but also can be used on clotheslines .