Description This drain plug kit stops water infiltration and is used to drain the water out of the inner hull of your boat. Fine threads maintain sealing under high vibration conditions. Stop water infiltration or drain the water out of your boat. Suitable for all kinds of canoeing, kayak, ship drain plug. Feature - Color: Black.- Material: Plastic.- Size: 5.4 x 5.4 x 3.1 cm/2.1 x 2.1 x 1.2 inch.- Universal drain plug kit to add or replace old drain plugs- Easy to install on or remove from the kayak. Simple drill holes and hard to up- Can be used to stop water infiltration and is used to drain the water out of the inner hull of your boat.- Retention system prevents plug from getting lost when removed- Great replacement accessories for marine boat, yacht, raft, kayak, canoe, dinghy and so on.Pcking list: 4 x boat drain plug