Danco 36642B Slip Joint Washer 1-7/16 " Od. X 1-3/16 " Id. X 1/8 " H (1 per bag) Durable rubber construction Used as a seat between the PO plug and underside of the lavatory basin Part No. 2L; 1-1/4 in. Nut size; 1-1/4 in. Tube size 1-7/16 in. OD x 1-3/16 in. ID x 1/8 in. Height Use with No. 2 Ring/1 per bag