Our boat drain plugs deliver reliable, performance drainage with a focus on safety, durability, and watertight integrity. Safety and antivibration design Antivibration construction reduces random leaks caused by boat movement. Boom and SC Rew type safety design provides a secure fit for safe speed navigation. Durability and reliability Constructed from 316 stainless steel for resistance to wear and erosion in harsh marine conditions. Built to withstand demanding marine environments and provide longlasting protection. Waterproof performance sealing prevents leaks and moisture penetration. Helps keep the cabin dry in varying conditions and reduces dampness inside the vessel. Compatibility and fit Secure seal for 1 inch drain holes. 1/2 inch BSPT connector with a 2 inch flange diameter. Suitable for a wide range of watercraft, from fishing boats to luxury yachts. Key specifications Material: 316 stainless steel Drain hole size: 1 inch Connector: 1/2 inch BSPT Flange diameter: 2 inches Design features: antivibration, boom and SC Rew type safety design Use scenarios On a coastal fishing boat navigating choppy seas, the plug maintains a leak drain during speed operation and rough water. On a luxury yacht during long passages, the plug preserves a dry cabin by preventing moisture intrusion. On smaller workboats or tenders with 1 inch drain holes, the plug provides durable, reliable drainage in saltwater or freshwater conditions and is easy to maintain.