Harbor Freight Tools
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Professional Long Barrel Air Hammer

This professional air hammer delivers up to 65% more force per impact* to get the job done fast.

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Matco MPH1931K at $320.00. Save $190.01

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Product Overview

This professional air impact hammer quickly cuts sheet metal, shears straps, and removes fastener heads along with other fabrication jobs. Anti-vibration technology provides operator comfort. The quick-connect chuck makes bit changes fast and easy.

  • Extra long 4 in. barrel provides 65% greater force per impact*
  • Anti-vibration technology for greater operator comfort
  • Lightweight, rugged die cast aluminum body
  • Variable speed trigger for precise control
  • Comfortable rubber grip on handle
  • 4 in. stroke length
  • Accepts standard 0.401 in. shank chisels

Important Information

  • * Compared to Central Pneumatic medium barrel air hammer. Harbor Freight’s CHIEF products are not endorsed by or affiliated with Chief Automotive Technologies, Vehicle Services Group, LLC, or their affiliates.


Air inlet size
1/4 in.-18 NPT
Average air consumption
2.9 CFM
Housing material
Aluminum alloy
Speed (max)
2800 BPM
Product Height
7-7/8 in.
Product Length
9-5/8 in.
Product Weight
5.26 lb.
Product Width
2-2/2 in.
Recommended hose size (in.)
3/8 in.
Shipping Weight
6.95 lb.
Stroke length (in.)
4 in.
Working pressure (psi)
90 PSI
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change


We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.