NOT SURE BUT BELIEVE IT IS A DRILL PART.
VINTAGE SEARS CRAFTSMAN 1/2 HP Air-drive Chicago Pneumatic Drill Variable Speed
CP Impact Kit For Chicago Pneumatic CP8848 Model, Part # 8940172899
CP Throttle Kit For Chicago Pneumatic CP7759 Models, Part # 8940168436
CA145357 Tune Up Kit For Models Chicago Pneumatic Model 775, Part # CA145357
CP Gasket-Rear Cover For Chicago Pneumatic Tool Models, Part # 8940162858
CP Inlet Kit For Chicago Pneumatic 7748 Models, Part # 8950212133
