These are Snap On OEM parts. Snap on Tools typically has problems with plastic yoke breakage on the PT850 AND PT650. The forward and reverse black plastic buttons could typically be removed with a thin bladed screwdriver.
SNAP ON PT850-3 Nose Gasket Fits PT850 1/2” Air Impact Wrench
SNAP ON PT850 TUNE UP KIT UPDATED THROTTLE VALVE KIT+SNAP ON ORANGE HOUSING UNIT
SNAP ON PT850 & PT650 TUNE UP KIT UPDATED & COMPLETE WITH NEW THROTTLE VALVE KIT
SNAP ON PT850 TUNE UP KIT UPDATED THROTTLE VALVE KIT+NEW GREEN HOUSING AS SHOWN
