Tough, flexible rubber construction Designed for use on Barnes, Central, Crane, Cuthbert, Dishmaster, Grand Haven, Jameco, Kohler, Milwaukee, Mueller, Mullins, Price Pfister, Schaible, Speakman, Stanadyne, Sterling, Teck, and Youngstown faucets #11 O-Ring 3/4 inch OD x 9/16 inch ID x 3/32 inch wall thickness Designed to withstand harsh chemicals High abrasive resistance and temperature resistance Provides a better seal which helps prevent leaks Self lubricating o-rings provide years of worry free use Will withstand heat between a temperature range of 86°F to 248°F (-30°C to 120°C)