Air inlet connector: 1/4". Aperture of grinding wheel: 9MM.
3Inch Air Cut-Off Tool Pneumatic Cutting Machine Grinder Kit With Cutting Discs
3Inch Pneumatic Cutting Machine Grinder Kit With Metal Cutting Discs 20000RPM
1/4" 1/8" Air Angle Die Grinder 90° Pneumatic Grinding Cutting Machine Polisher
3 Inch Pneumatic Metal Cutting Machine With 5pcs Cut-Off Wheel Air Die Grinder
74pc 1/4" Air Angle Die Grinder Pneumatic Grinding Machine Cutting Polishing Kit
3" Air Angle Grinder Pneumatic Metal Polishing Cutting Machine Cut-off Tool