Seal kit for Sheridan C series made between 1962 and 1980. This kit includes BEN10010, BEN3434X, BEN397-025, CRS20-110 (bolt o-ring), and 2 BEN68AT-032. Some guns do not have the o-ring on the bolt, but it is included in the kit. The BEN68AT-032 lead rings do not have the tab on the circumference. You will need the factory tool, available on our website as SHET4, to work on the valve.