Marine twist plugs - Enhanced safety and watertightness: Marine twist plugs close openings in the hull deck to ensure watertightness, reducing maintenance from water leakage, increasing boat operation efficiency, and improving the safety and reliability of the vessel. - Sturdy material and durability: Boat drain plug is made of high grade brass, providing strength and long life. Brass offers good corrosion resistance, tolerating seawater and oil exposure for extended use, while maintaining good appearance over time. - Anti-leakage performance and size: The plug uses a high quality rubber seal for reliable leakage prevention, helping ensure the boat's safety and reliability. This item is 3/4" in size; please check the size before purchasing. - Easy installation and maintenance: Designed for routine checks by crew. Snap locking design allows quick removal of the old plug, insertion of the rubber plug into the hole, and a simple twist to lock. Quick, convenient, and practical to use. - Specifications at a glance: 3/4" size; brass body with rubber sealing plug; designed to close hull deck openings and maintain watertightness; intended for standard boat drain plug applications. - Use scenarios - Routine hull deck inspections and maintenance: seal openings to prevent water ingress during upkeep. - Voyage preparation or docking: maintain hull watertightness to minimize leakage risks while sailing or mooring. - Cleaning, storage, or saltwater environments: protect against water entry and corrosion during non-operational periods.