Small Size: 0.98 x 0.98 x 2.08 inches/25 x 25 x 53 mm(L x W x H); Hole Diameter: 0.47 inches/12mm; Thread Size: M0.74 inch/M19 mm; NOTE: Please check the size before purchase Premium Nylon Material: Made from quality nylon, this hull drain plug kit offers durability and resistance to wear and tear, ensuring long-lasting performance Effective Water Management: This boat drain holes plugs is designed to effectively stop water infiltration and facilitate the drainage of water from the inner hull of your kayak, canoe, or boat, keeping your vessel dry during your adventures Easy to Install: With front or rear mounting options, this hull drain plug is incredibly easy to install or remove, saving you time and effort when maintaining or repairing Versatile Marine Application: A great accessory and replacement plug kit suitable for various marine vessels, including kayaks, canoes, boats, and dinghies, providing a reliable solution for your needs