Here are two (2) reseal kits that are correct for the Crosman Mark I & Mark II CO2 pistols. Included are the most common O-Rings that are needed to bring your pistol back to life. Included are: (2) Tube Cap/Piercing Knob Seals (O-Ring) (2) Valve Body Seals (O-Ring) (2) Piercing Pin Seals (O-Ring) (4) Breech Bolt Seals (O-Ring) (Smaller ones are for Mark II (.177 CAL) and the larger ones are for Mark I (.22 CAL) (1) Exploded View With Part Numbers For Mark I & Mark II - Clean, Printed Hard COPY

(1) Seal Identification Guide (Identifies each seal, it's part number and where it is utilized) Thank You.