ITEM NAME:2x Stainless Steel Drain Plug For Stainless Steel Description: Made of Stainless Steel 316 ,Strong corrosion resistance,durable. Screw type drain plug bung, durable, strong and easy to use Flange diameter is 2inch, Plug diameter is 1/2inch BSPT, maintain sealing under high vibration.Screw type drain plug bung, durable, strong and easy to use. 2 Piece Boat Garboard Drain Plug. Made of Stainless Steel 316 ,Strong corrosion resistance,durable. Great accessories for boat transoms, fish wells, ice chests, yacht and more.