3/8" keyed chuck, 16000 RPM, nonreversible.

Country/Region of Manufacture: China
Air Inlet Size: 1/4in.
Type: Pistol Grip (Standard)
Features: Variable Speed Trigger
Manufacturer Part Number: 2YPP9
Accessories: 3/8in. Chuck, Chuck Key
Maximum Speed(RPM): 16000RPM
Chuck Key Type: Keyed
Brand: Speedaire
Chuck Size: 3/8in.