Overview & First Impressions
The GEO Knife Belluf GEO2508 is the compact member of the brand's new M390 family, and it may be the most practical of the lot. Seven trims share the same 2.4 inch blade and crossbar lock, varying between G10 and titanium handles. At 73.1 grams it is genuinely ultralight, which puts it in a different category from the heavier knives most people picture when they think about premium folding knives.
Materials & Construction
Bohler M390 is the reason this knife exists at this price point. The steel is a powder metallurgy stainless with very fine carbides, and that structure gives it two things at once: excellent edge retention and excellent corrosion resistance. Because the carbides are fine rather than coarse, M390 also takes a highly polished edge if you want one, which is unusual among high-vanadium steels. Titanium hardware on the titanium trim removes any rust concern entirely.
Design & Details
The Belluf is designed around ergonomics rather than ornament. The handle fills a palm surprisingly well for its size and the grip is secure in wet or gloved hands, which is the part most small knives get wrong. The crossbar lock allows fully ambidextrous operation and keeps the blade profile slim. GEO Knife has kept the blade shape general purpose, so it handles both slicing and light piercing without specialising in either.
Real-World Use
This is a knife for people who carry a blade every day and cut modest things often. Opening packaging, trimming paracord, cutting fruit, breaking down a carton and sharpening a pencil are all within its comfort zone, and the light weight means it never becomes a nuisance. The crossbar lock makes one-handed closing safe in a crowded environment, and the compact blade length keeps it appropriate for workplaces with strict carry rules.
Ownership Notes
Maintenance separates premium steel from budget steel. M390 will hold a working edge for months of light use, so most owners only need a leather strop with a little compound rather than a full sharpening session. When the time comes, use diamond abrasives and maintain the factory angle. Keep the blade dry, wipe it after cutting anything acidic, and apply a drop of lubricant to the crossbar springs twice a year. If you already carry a couple of EDC knives, the Belluf is the one that ends up in your pocket most often, simply because you forget it is there.
Who Is This For?
The Belluf is the right choice for office workers, travellers, students and anyone who wants a genuinely pocketable knife with serious steel. It also works well as a lightweight backup for hikers who already carry a larger fixed blade. Collectors should note that the range includes both G10 and titanium trims, and the titanium versions are the ones that tend to appreciate over time.
Final Verdict
GEO Knife has correctly identified that most daily cutting is small and light, and the Belluf answers that reality with premium steel in a 73 gram package. The crossbar lock is properly implemented, the ergonomics exceed what the size suggests, and seven trims give buyers real choice. For a compact everyday folding knife, this is an easy recommendation.
