This drain plug kit stops water infiltration and is used to drain the water out of the inner hull of your boat. Its fine threads maintain sealing under high vibration conditions and retention system stops plug from getting lost when removed. Features: Universal drain plug kit to add or replace old drain plugs. Made of high quality material, durable for long time use. Easy to install on or remove from the kayak. Fine threads maintain sealing under high vibration conditions. Retention system stops plug from getting lost when removed. It stops water infiltration and is used to drain the water out of the inner hull of your boat. Specifications: Material: Polypropylene Color: Black Outside Diameter of Scupper Plug: Approx 26 mm Length of Scupper Plug: Approx. 56 mm Width of Scupper Plug: Approx. 31 mm Weight: 20 g Package Includes: 2 * Drain Plug Kit