Sea-Dog - Brass Snap Handle Drain Plug - No Chain - 1-1/4" - 520072-1. Snap-handle drain plugs feature cam action for easy installation and a leak proof seal. Simply turn the handle clockwise to tighten the plug then snap down the handle to lock. Durable stamped brass and nitrile rubber construction.. Stamped Brass / Nitrile Rubber. No Chain. A - 1-1/4". B - 1/14"