4 brass T drain plugs for boats They are designed to fit drain plugs with a 1 diameter Twist lock mechanism for easy installation and removal Brass construction provides durability and marine suitability Helps maintain proper drainage on boats by enabling quick sealing and draining of drain openings Benefits at a glance - Function: twist to lock or unlock for fast, tool-free operation - Compatibility: fits drain openings with a 1 diameter - Material: brass offers durability and corrosion resistance in marine use - Performance: secure fit helps prevent leaks and unwanted water intrusion Use scenarios - Bilge or cockpit drains on small to mid-size boats: quickly seal or drain during washing or after use - Maintenance tasks: remove plug to flush or test drains, then reinsert for a secure seal - Seasonal storage or transport: drain compartments to prevent water buildup before long-term storage Includes 4 units for versatile boat maintenance and replacement needs