Danco #112 Rubber Faucet O-Rings, 20 per Bag, 14648W Durable rubber construction 2-5/8 in. OD x 2-1/4 in. ID x 3/16 in. wall #112 O-Ring (AS568B# 331) Fits various manufacturers Designed to withstand harsh chemicals Provides a better seal which helps prevent leaks For faucet repair