Which Milwaukee impact wrench drive size do I need?
Use 1/4 inch for fasteners and light assembly, 3/8 inch for automotive and general work, and 1/2 inch for heavy-duty bolts and wheel nuts.
Should I choose an M12 or M18 impact wrench?
M12 FUEL is compact and ideal for mechanics working in tight spaces, while M18 FUEL delivers the highest torque for heavy fastening.
What's the difference between a friction ring and a pin detent?
A friction ring allows fast one-handed socket changes; a pin detent locks the socket more securely for overhead or high-vibration work.