COMPLETE Seal kit for Benjamin 310, 312, 317 air rifles made before 1965 with the screw on leather pump seal. PLEASE SEE OUR MODEL IDENTIFICATION AND DATING PAGE, UNDER THE TECHNICAL TAB ON OUR WEBSITE FOR MORE INFORMATION. This kit includes BEN10010. BEN3434X, BEN3119, and 2 BEN68AT-032. You will need the factory tool to access the valve. You can rent one on our website, it is part number SHET4. For the perfect leather conditioner for these seals, purchase part number JGALeatherOil, available separately on our website.