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 s and retention system stops plug from getting lost when removed. Features: Universal drain plug kit to add or old drain plugs. Made of material, durable for long time use. Easy to install on or remove from the kayak. Fine threads maintain sealing under high vibration s. 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