JY-MARINE flush ring pull handlss material is stainless steel 316 commercial marine Grade,smooth without burrs, high hardness, non-defrmation, durable, wear-resisting, anti-rust, anti-corrosion, can be used indoor, outdoor or even in humid environment, can be used for a long time in the saltwater environment. Package include:2 pieces Boat Ring Hatch Pull Flush Lift+6 pieces screws