Features and Benefits:

• "� Maximum power .401"" shank air hammer for heavy duty automotive and industrial applications� Specifically developed THOR model with stroke length and ported valve body for power that matches or beats the top premium options from tool trucks� Newly designed tilt valve trigger for sensitive power adjustment at your fingertips� Features internal brake vibration damping system for less fatigue� No nonsense design: A rotatable forward grip, sensitive trigger and industry leading power� Includes quick change chuck, 10.25"" length, Hi-Flo fittings suggestedSpecificationsAir Inlet: 1/4"" NPT Chisel Shank Size: 0.401”) Piston Stroke: 3-5/8"" Stroke Speed: 2,100 BPM Net Weight: 5.31 LB Length: 10.25"" Hose Size: 3/8"" Air Pressure: 90 PSI"


The Astro Tools 401K 0.401" Shank "THOR" Long Barrel Air Hammer/Riveter is a maximum power air shank hammer for heavy duty automotive and industrial applications. This tool is a specifically developed THOR model with stroke length and ported valve body for power that matches or beats the top premium options in tool trucks. Easily adjust the power with the newly designed tilt valve trigger in this air hammer. In addition, this tool features an internal brake vibration damping system for less fatigue with a no-nonsense design that includes a rotatable forward grip, sensitive trigger, and industry leading power.