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The sheath retains the GK very well and shows no intention of getting loose over time. It protects the knife well enough - and the user against the blade, which is vital, and for this price everything else is a bonus. There is a drain hole in the bottom and it has a thumb rest. To withstand rust and corrosion the blade has a protective electrophoretic deposition coating (EPD), as well as an engraved scale. The grinded spine of the blade is designed for starting a fire with a fire starter. Learn more about the Outdoor Knife OK4 Japanese steel and a scandinavian grind for longlasting sharpness Ever since Hultafors started making knives, we have strived to offer unique solutions to match specific needs in various crafts. Bushcraft is no exception. When discovering that our craftsmen’s knives had become favorites with the outdoor crowd as well – we got inspired to develop knives especially suited to their needs. The result is a range of knives dedicated to bushcraft and outdoor life. Outdoor Knife OK1 - For tough tasks in the field A nice little knife to work with, I gave it a sharpen on my wet stones and its like a razor. It has a good feel to it and for the price it's good.
The handle is fitted with a Santoprene friction grip for extra control. The cutting edge has a scandi grind for long-lasting sharpness and is easy to re-sharpen if needed. The grinded spine of the blade is designed for starting a fire with a fire starter. Fit and finish is the clear weakness of the Hultafors OK4. There is a 1.5 inch gouge on the spine of this particular example reviewed here. This is not a flaw unique to this knife as it is seen on other OK4’s found online. After considerable testing, I feel confident that this is not a structural defect. However, it is a major and unsightly flaw that I am surprised made it past quality control. A second smaller issue is noticeable injection mold seams on the hard green plastic sections of the handle. Zero Scandi grind shouldn't mean, no scandi at all, took an hour on a course diamond stone to get an apoex.As a harder survival oriented test I opened a tin can with the OK4. Batoning the tip threw the top of the can with hand strikes and repeating around the edge until it was open. To be fair this was an abusive test, but as the steel was almost a complete unknown I needed to go beyond my normal testing regiment. This forced three small chips on the belly of the OK4, but impressively the tip survived intact. The knife still cut paper but hung up on the chips. This damage honed out with just a few moments of work on a 1000 grit wet stone. The heat treat appears to be appropriate, though possibly slightly over-hardened having chipped on the softer tin. Other reviewers have found similar results, the steel holds up perfectly well to normal use, but will chip when pressed beyond safe sane knife use. Oproti jiným křesadlům se jedná o tlustý a dlouhý kus oceli, který dlouho vydrží. (po odříznutí poutka použijete i druhou stranu) For the above grab-and-go tasks I used my Mora HD (with a seriously reprofiled convex grind) for years. I now use the Hultafors GK instead. It does everything I used the Mora HD for, but does most of them them better.
The OK4 is a partial tang knife meaning that the blade steel only goes about two thirds of the way through the handle. As we describe in our Survival Knife Guide, this is not as strong as a full tang design, but here it is substantially longer than most partial tang knives. The knife did not fail in our testing, even with aggressive batoning. The short blade only spans small two or three inch limbs, but the OK4 split kindling with ease. The only damage the OK4 took was to the coating on the 90 degree spine, where the impact of the baton chipped the finish off. Though to be fair with that coating removed the OK4 scraped sparks from the Hultafors Fire Steel FS much better than when fully coated, so I can’t complain. The sheath attaches to the belt by a 3 inch loop of high quality nylon webbing that is single stitched. The elastic band on the midsection is also the home of the ferro rod holder. The knife and FS Fire Steel carry well; the set up dangles and flexes comfortably as you move about. Both the plastic and fabric sections have both held up to my use with no noticeable wear.This blade is too short for any serious work" - Meaningless unless specifing what is meant by "serious work". But I'm gonna jump to conclusions and advice Rambo to get an axe or machete to complement his belt knife. There are three series of knives from Hultafors that are of interest to someone doing bushcrafty stuff. The lightest and thinnest one is the Craftsman, the typical competition to the Mora Clipper or Companion. It has a slim and fairly thin blade that is very useful for carving and finer work - and it’s still made of SK5 tool steel. The basic Craftsman with a hard plastic handle goes for about 5 euros, the ‘luxury’ HVK-GH version with a grooved rubberized handle costs about 7 euros. The Hultafors GK has a main grind of 20 degrees included (10 per side) and a large secondary bevel - that I measured with an electronic angle tool at 28 degrees included or 14 per side. Sounds familiar? That secondary bevel has the same edge angle as the main grind/bevel of a Mora HD/Robust et al, but it has a far thinner shoulder behind it - the main grind at 20 degrees. So the blade as a whole cuts and slices noticeably better, and is still plenty tough enough.
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