Master Plumber 310-870 Tip Toe Bathtub Drain Conversion Kit with Bracket, ChromeMade of solid brass with durable chrome finish. Thread size 1 1 2", additional bushing to change the thread from 1 1 2" to 1 3 4". Includes overflow face plate, screws & tip toe drain mechanism. Solid brass Chrome finish Thread size 1 1 2" Additional bushing to change the thread from 1 1 2" to 1 3 4" Includes overflow face plate, screws and tip toe drain mechanism For replacement stopper use model #176 183 Clamshell.