Danco 88348 Bath Shoe Gasket, 1-11/16 in ID x 2-5/8 in OD Dia, 3/32 in Thick, Rubber, For: Tub Drain and Drain Plug

The Danco bath shoe gasket fits in between the underside of the tub and the shank nut that threads onto the bath shoe to provide a positive seal and help prevent leaks. This gasket is compatible with a wide variety of bath shoes and tub drains.