10-Pack Pressure Washer O-Ring. It is compatible with 1/4" Quick Connect Socket Aw0017-0001 and Penn Valley True Value Hardware #784093. Made of durable rubber, this O-ring features an inside diameter of 3/8" to 9/16" and is ideal for use with 3/8" Quick Connect.
WARNING: Cancer and Reproductive harm - www.P65Warnings.ca.gov