This stainless steel marine boat drain plug is designed for use on yachts, rafts, dinghies, and canoes. It features a screw-type design for positive sealing and a retention system to prevent the plug from getting lost. The plug is made of 316 stainless steel and measures 55x32x50mm. It is packaged in an OPP bag and comes with a weight of 16g. The plug is great for boat transoms, fish wells, ice chests, and more.