Keyless chuck. This is a low speed drill, has a ton of torque
Snap-on Air Drill & 3/8” Air Ratchet — Pneumatic Tool Lot
Snap On Air Drill 3/8
Snap-On Air Drill 1/2 Inch
Snap-On Air Drill PDR3000A 2500RPM 3/8 Works / looks GREAT, with chuck key
Snap-on Air Drill SDR10P7R4
SNAP-ON AIR DRILL, PDR5A, LONG BARREL, 99 PSIG,6.2 BAR MAX, REVERSABLE 1/2"
