Package Includes: as images show, DA250B Rebuild Kit Part number: 905013 Includes: 904749 Collar × 1, 904750 Seal × 1, 904744 Gasket × 1, 904757 Bumper × 1, DA250B O-Ring Kit × 1, TriggerValue × 1 Fits: DA250B Finish Nailer Parts. A brand-new, unused, unopened, undamaged item in its original packaging. Return refund: If you have any questions, you can refund in full without any problems