High Quality Materials: This non-slip skateboard is made of 316 stainless steel, which is polished, rustproof and resistant to seawater. The sturdy flagpole can be installed anywhere on the ship. Unique design: this anti-slip skateboard has ultra-fine processing surface and glossy appearance, which is very suitable for modern ships/yachts/vessels. Safety: The cord clip hook can place the string or cord of Venetian blind or umbrella handy to prevent accidents and ensure the safety of children. Easy to use: 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. Wide range of applications: This anti-slip skateboard is used in boats, yachts, fiberglass yachts, boats inflatables, business yachts and other types of yachts. It is also ideal for attaching ropes to masts, boats, awnings, tarps, etc.