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Morakniv Companion Fixed-Blade Knife

The truck-box essential. Cuts straps, opens boxes, handles daily cab work — and asks for nothing in return.

Updated October 14, 2026

Every truck box has a knife in it. Most of them are dull, rusty, or missing. This is the one that belongs there: a fixed-blade work knife with a Sandvik stainless edge, a grip that works with gloves on, and a sheath that keeps it where you left it.

What it's for

Three jobs, every single week

Cut the straps

Banding, shrink wrap, zip ties — the stuff holding your load together at the shipper becomes the stuff in your way at the receiver. One clean pull, done.

Open the boxes

Parts, supplies, the Amazon box with the thing you actually ordered. A sharp fixed blade opens cardboard without the wrestling match.

Daily cab work

Trim a frayed air line wrap, cut cord, shave a zip tie flush so it stops snagging your sleeve. The small jobs nobody photographs and everybody does.

Why a fixed blade beats a folder in the truck

Folding knives have a pivot. Pivots collect road grit, work loose, and need two hands when your other hand is holding the thing you're cutting. A fixed blade has no moving parts — pull it from the sheath, cut, put it back. In a truck box that lives through dust, vibration, and -30°C mornings, simpler wins.

The Companion's whole pitch is that there's nothing to maintain except the edge, and Sandvik 12C27 stainless holds an edge while shrugging off the moisture that rusts cheaper carbon steel in a damp truck box.

The hardware

What you're getting

Blade steel	Sandvik 12C27 stainless — holds an edge, resists rust in a damp truck box
Blade length	104 mm (4.1 in)
Overall length	218 mm (8.6 in)
Weight	135 g with sheath
Handle	High-friction plastic grip — works with gloves on
Sheath	Plastic, belt loop — keeps the edge covered in the truck box
Rating	4.8/5 from 29,209 Amazon.ca reviews

Specs are from the manufacturer's published specs. We don't invent ratings or reviews — if you want the crowd's verdict, it's on the Amazon page.

Buyer questions

What drivers ask before buying

Fixed blade or folding knife for the truck?

Fixed, for the reasons above: no pivot to gum up with road grit, one-hand use while the other hand holds the work, and nothing to work loose under vibration. A folder is a pocket tool; a fixed blade is a truck-box tool.

Will the stainless blade rust in a damp truck box?

That's exactly why the 12C27 stainless matters. Carbon steel takes a keener edge but rusts if you look at it wrong in a humid box. Stainless trades a little edge-taking ease for corrosion resistance — the right trade for a tool that lives in a truck.

Is it legal to carry a fixed-blade knife?

Laws vary by province, state, and country — and some carriers have their own policies. This is a work tool for cutting straps and boxes, not something to carry on your person. Check your local laws and your company's policy, keep it sheathed in the truck box, and you're treating it like the tool it is.

How do I sharpen it?

12C27 is one of the friendlier stainless steels to sharpen — a basic whetstone or a pull-through sharpener brings it back. Strop it occasionally and you'll rarely need a full re-grind.

What's the sheath like — will it stay put?

It's a molded plastic sheath with a belt loop, and the knife clicks in with enough retention to stay put bouncing around a truck box. Keep the edge covered whenever it's not in your hand — that's the whole point of the sheath.

Anything to watch out for?

One honest note: the plastic handle is built for grip, not beauty — it won't win any craftsmanship awards. And like any fixed blade, it demands respect for the edge: cut away from yourself, sheath it when done. Treat it like the tool it is and it'll outlast the truck box it lives in.

⚠️ One thing before you buy

This is a work tool — for straps, boxes, and cab jobs. Keep it sheathed in the truck box, check your local laws and company policy, and never carry it as anything other than the tool it is. We cover work knives here the same way we cover tire gauges: for the job, period.

Here's the part that matters: the best truck-box tool is the one you actually reach for. No batteries, no pivot to clean, no maintenance beyond the occasional strop. It sits in the box, it cuts when asked, and it costs less than a truck-stop dinner.

Straps, boxes, zip ties, shrink wrap — the Companion earns its place in the truck box.

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