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KS Tools THE DEVIL 1/2 inch air impact review

An air impact wrench at 1600 Nm with a three-stage selector — the cheapest way into serious loosening torque, provided you already have a compressor.

The last word Enormous loosening torque for the price of a battery. The compressor is the catch.

What lands on the bench

A 1/2 inch pneumatic impact wrench stated at up to 1600 Nm, with a three-stage torque selector and a forward/reverse lever.

Why air still exists

Power per euro. An air wrench at this torque costs a fraction of a cordless equivalent, weighs less at the head, and never runs out of battery. It also needs a compressor that can supply it, which is where the real cost sits.

The figure that is missing

Air consumption. Without liters per minute, matching the tool to a compressor is guesswork — and a starved air tool is slow, weak and disappointing in a way that looks like a fault.

The rule that never changes

Loosen with this. Tighten to the manufacturer’s figure with a torque wrench.

Availability

Not found on the American Amazon store, where the buy link falls back to a local search rather than to a page that does not exist.

Prices and availability are what Keepa reported on the date this page was updated; both move.

What it does, and what it misses

Strengths

  • 1600 Nm is far beyond anything a home garage needs to loosen, which means it never struggles
  • Three-stage selection, so it can be dialed back for smaller fasteners
  • Cheapest entry to this torque class — the compressor is the real cost

Compromises

  • Needs a compressor with sufficient air delivery, which this site does not cover
  • No air consumption figure published, so compressor matching is guesswork
  • Air tools are loud in a domestic garage

Specifications

Power sourceCompressed air, stated
Drive1/2 inch, stated
TorqueUp to 1600 Nm, stated
Control3-stage torque preselection, plus adjustable speed — stated
DirectionForward/reverse lever, stated
Amazon referenceB007XU7AEE
EAN4042146032848

The questions that reach us

What compressor do I need?

Air consumption in liters per minute is the figure that matters, and this listing does not publish it. Ask the seller before assuming a small workshop compressor will keep up — this is the most common disappointment with air tools.

Can I tighten wheel bolts with it?

You can, and you should not. An impact wrench loosens; a torque wrench finishes. That is true of every tool in this family regardless of its selector settings.

Our score

7.2/ 10

Enormous loosening torque for the price of a battery. The compressor is the catch.

This one’s price among garage tools

A reference exists on these Amazon stores: France, Germany, Italy, Spain, United Kingdom. Listed is not the same as in stock — availability changes daily.

Details checked on September 4, 2026.

Who should pick this one, among garage tools

A garage that already has a compressor and needs loosening torque rather than portability.

Attachments confirmed for this tool

Listed because the attachment names this tool by name.

Our garage tools guides that pick it

Sources

Specifications: the manufacturer sheet for garage tools and the matching Amazon product page. Prices and availability: Keepa. Every figure on this page names its source.

The method applied to these garage tools