Nite Ize DoohicKey Ratchet: The Small Screw Is the Reason to Carry It

A loose screw is frustrating when the proper screwdriver is in another room. The DoohicKey Ratchet puts a tiny driver on your keys, with a ratchet that can be useful where there is little room to swing your hand. That everyday interruption is a better buying reason than collecting a long list of miniature tools.

Findweave Editorial2 min read

Published 2026-10-24

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Start with the screws you actually meet

The stainless KMTRT-11-R3 Ratchet includes two double-ended bits: flat 3.5 and 5.5mm, plus Phillips number 1 and 2. Look at the fasteners on the items you routinely adjust. A bit collection helps only when the tip fits; it is not a solution for Torx, hex or every tiny electronics screw.

Photo: Nite Ize · Manufacturer reference image. Manufacturer demonstration of the ratchet working on a small screw in restricted space.

The ratchet can be reversed by using the other side. Its low-profile body is the attraction in a tight corner, but it also gives you less handle to grip than a normal screwdriver. Seat the bit carefully and do not treat the tool as permission to force a stuck or damaged fastener.

Photo: Nite Ize · Manufacturer reference image. Maker diagram identifying the ratchet, supplied bit sizes, clip and small convenience functions.

The extras are conveniences, not a repair workshop

A bottle opener, ruler, small wrenches, pry tip and scoring point share the same body. The maker’s photographs show their positions clearly. These can reduce the need to fetch another tool for a minor task; they do not provide the leverage, comfortable grip or rated torque of full-size equipment.

Photo: Nite Ize · Manufacturer reference image. Bottle-opening example; bottle and surrounding equipment are not included.

Consider your key bundle before adding it. A useful tool that makes keys uncomfortable may end up abandoned in a drawer. Compare the shape with the space in your pocket, and check that you can remove and replace the bits without fumbling.

Photo: Nite Ize · Manufacturer reference image. Scoring-point demonstration; control the tool carefully around packaging and contents.

Where the larger driver still wins

Choose a proper driver for repeated assembly, high-force work or a repair where the wrong torque could affect safety. This is the tool for a small interruption, not the only tool for a trip or a substitute for a mechanic’s kit.

Photo: Nite Ize · Manufacturer reference image. Pry-tip demonstration on a lid, not a claim of suitability for every sealed container.

Do not assume a compact key tool is automatically accepted by airport security. Check the relevant transport and local rules rather than relying on a general travel-friendly claim. We have researched the design and supplied bits; we have not performed a hands-on durability or torque test.