ITEM NAME:Brass & Rubber For Boat Hull/Livewell/Baitwell Drain Plug Turn-tite Plug Description: Mount from inside transom Brass Rubber 24mm Twist Turn Drain Plug Rugged corrosion resistant construction Black thread outer diameter: approx. 24mm/ 0.94 inch. Height: approx. 30mm/ 1.2 inch Twist-Turn Plug: Fully adjustable, will not leak or jar loose under vibration Package Includes: 1 Piece Twist Turn Boat Drain Plug Note: Please allow 1-2mm difference due to manual measurement. Thank you..Brass Rubber 24mm Twist Turn Drain Plug. 1 Piece Twist Turn Boat Drain Plug. Twist-Turn Plug: Fully adjustable, will not leak or jar loose under vibration. Height: approx. Mount from inside transom.