You will get the complete petcock seal kit that is pictured. You get two seals and 4 washers. To install you sandwich the seal between two washers for a tight seal. The washers measure 7/8" OD and 3/8" ID. We combine shipping costs on multiple wins, so check out our ebay store. Contact us with any questions 661-877-7911 / 661-252-1174 |