20mm nylon marine drain plug for boat hull, transom, fish well or cooler

🌊 General Description: 20mm (3/4″) straight marine nylon drain plug for boats, yachts, fish boxes, or coolers. Robust, watertight, and adjustable by twisting, it ensures optimal drainage without leaks—ideal for demanding marine DIYers. 📐 Technical Specifications: Material: High-strength nylon (corrosion-resistant, UV-resistant, shock-resistant) Diameter: 20mm (3/4 inch) — designed for standard drilling Type: Through-hull drain plug, straight version Fixing: Twist-lock system for enhanced sealing Compatibility: Boats, yachts, livery boxes, coolers, RVs & campervans Contents: 1 x marine drain plug 🔧 Installation: Intuitive 1-minute installation: Drill a 20mm hole in the hull or wall, insert the plug, then tighten by twisting. No additional tools or seals required — perfect for a quick upgrade. ⚓ Use it to easily drain water from the stern, a livewell, or an onboard cooler. The twist adjustment allows for precise flow control — saving time, increasing safety, and giving you total control in any situation. ℹ️ Other information Designed for maximum longevity in marine environments. Lightweight nylon + weather resistance = a durable and quiet solution. No metal parts, zero risk of rust. Compatible with all smooth surfaces with a 20mm hole.