Cornwell Tools. Air Powered Pistol Grip Drill. Jacobs Chuck - 3/8" Capacity. I just hooked it up to my compressor and it seems to operate in both directions without any major performance issues noted.

Brand: Cornwell
Chuck Size: 3/8in.
Accessories: 3/8" Keyed Jacobs Chuck
Type: Pistol Grip (Standard)
Manufacturer Part Number: CAT-250 CAT250 CAT 250
Chuck Key Type: Keyed
Air Inlet Size: Not included
Set or Single Item: Single Item
Features: Reversible