Master Plumber, Solid Brass, Chrome Finish, Tip Toe Bathtub Drain Conversion Kit With Bracket, 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, For Replacement Stopper Use TV #176-183, Clamshell.