This is 100% Authentic. This is used and in very good working and physical condition. There are scratches and scuffs but overall it is in very good shape. What you see is what you get.

Brand: Chicago Pneumatic
Chuck Size: 1/2in.
Type: Pistol Grip (Standard)
Manufacturer Part Number: CP789HR
Chuck Key Type: Keyed
Air Inlet Size: 1/4in.
Maximum Speed(RPM): 500RPM
Set or Single Item: Single Item
Features: Reversible