Harbor Freight Tools


3/8 in. Composite Air Impact Wrench

Heavy duty 3/8 in. impact wrench with a composite body to reduce vibration

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Product Overview

This professional grade air impact wrench has a lightweight composite body to reduce strain. The composite impact wrench delivers 450 ft. lbs. of bolt breakaway torque to get tough jobs done fast.

  • 450 ft. lbs. of bolt breakaway torque for fast removal
  • Twin-hammer impact mechanism for high torque with less vibration
  • Forward and reverse dial regulator
  • Ergonomic lightweight composite design reduces wrist strain and fatigue
  • Through-handle silencing exhaust keeps debris away from operator


Recommended hose size (in.)
3/8 in.
Air inlet size
1/4 in-18 NPT
Average air consumption
6 CFM @ 90 PSI
Drive size (in.)
3/8 in.
Housing material
Speed (max)
9000 RPM
Maximum Torque
350 ft. lbs.
Product Height
6-1/4 in.
Product Length
6-3/4 in.
Product Weight
2.97 lb.
Product Width
2-1/4 in.
Shipping Weight
3.50 lb.
Working pressure (psi)
90 PSI
Sound rating (dB)
92 dB
Bolt Breakaway Torque
450 ft. lbs.
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.