【High-quality materials】 - This non-slip skateboard is made of 316 stainless steel. It is polished, rust-resistant, seawater-resistant, and sturdy flag studs can be installed anywhere on the boat. 【Wide application】 - This non-slip skateboard is used for boats, yachts, fiberglass yachts, inflatable boats, business yachts and other types of yachts. It is also an ideal choice for fixing ropes on flagpoles, boats, awnings, tarpaulins, etc. 【Easy to Install】 - This non-slip skateboard is precision polished, mirror polished, precise, shiny, and has good flatness. It is also easy to install without drilling or welding. 【Beautiful Appearance】 - This non-slip skateboard has a super fine machined surface and a shiny appearance, which is very suitable for modern boats/yachts/ships.