Includes (1) overhaul kit New, Bulk Packed Genuine OEM Replacement Part # .079002001093 Includes trigger valve assembly, 5 assorted o-rings, cylinder cap seal, collar, seal, press ring, cylinder ring, piston ring, piston bumper, retainer, grease and instructions. Fits Ridgid framing nailer models R350CHA and R350RHA. New OEM overhaul kit # 079002001093. Fits Ridgid framing nailer models R350CHA and R350RHA. Includes trigger valve assembly, 5 assorted o-rings, cylinder cap seal, collar, seal, press ring, cylinder ring, piston ring, piston bumper, retainer, grease and instructions.