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4 in. Professional High Speed Extended Reach Air Cut-off Tool

Click here to watch an expert’s independent review of Chief

Reach out-of-the-way areas with this extended reach cut-off

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CHICAGO PNEUMATIC CP9116 at $228.82 Save $98

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Product Overview

The CHIEF™ 4 in. Professional High Speed Extended Reach Air Cut-Off Tool has an extra long shaft to reach muffler hangers, broken studs in engine bays and other obstructed components. With a lightweight composite body the cut-off  tool is rugged and easy to handle for precise control. Features include rear exhaust and a steel wheel guard for added safety.

  • Powerful motor for heavy duty jobs
  • Easy handling with safety lock paddle trigger for smooth control
  • Lightweight composite body built to last
  • Quiet rear exhaust keeps debris away from work area
  • Tool-free, easily adjustable 126° rotational blade guard
  • Low-profile design is ideal for hard to reach areas

Important Information

  • Harbor Freight’s CHIEF products are not endorsed by or affiliated with Chief Automotive Technologies, Vehicle Services Group, LLC, or their affiliates.

Customer Videos

We think you’ll enjoy these customer-made YouTube videos about our products. They’re independent, uncut and unsponsored. They may also contain some four-letter words that aren’t “tool” and other content that’s not appropriate for children. We hope these videos help inform your tool-buying decisions. And a note from the lawyers: Products should always be used in accordance with the owner’s manual.


Accessories Included
(1) hex key wrench
Air inlet size
1/4 in. -18 NPT (F)
Arbor size
3/8 in.
Average air consumption
4 CFM @ 90 PSI
Blade size
4 in.
Cast aluminum gear housing, composite body
Speed (max)
14,000 RPM
Product Height
2-1/2 in.
Product Length
11-3/8 in.
Product Width
3-3/16 in.
Recommended hose size (in.)
3/8 in.
Shipping Weight
4.41 lb.
Working pressure (psi)
90 PSI
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.