5 stars for the Number 5.
My previous choice for a small EDC pocket knife was often an Opinel Number 4. It still has quite a bit of carry time. But sometimes it is too small for certain tasks.
Enter the Opi No. 5. As a lightweight yet capable pocket knife it carries almost without notice, easily apportions fruit and veg into bite size pieces, is comfortable for whittling chores, and sharpens a pencil in no time. Compared to the tiny No. 4 it has more to hold onto, has more reach in the blade (useful for food prep, for instance), and all at no appreciable difference in weight, price, or space in your pocket.
In some ways, a No. 5 is better than slipping the locking ring off from a No. 6, to have a UK friendly Opinel in your EDC kit. Sometimes smaller is better. And - although this may not be a frequently used feature - a non-locking Opinel floats!
Opinel's convex grind makes for an effective slicer. These pocket knives may not keep their edge for as long as some of the more recent wonder steels' but you can guarantee that an Opinel will sharpen up in almost no time, and with stropping, achieve an atom-splitting edge. Meanwhile, the 440C or D2 enthusiast will just be starting to perspire with the effort needed to get their vaunted ¼ber-blade' as sharp.
If your little Opi loosens, don't worry. A bit of moisture makes the wood swell up. So just give it a quick wash, then rinse, shake out any excess water, and dry your Opinel off. Or gently peen the nail with very light hammer blows. If the action becomes too tight, again, not a problem. Try a tiny drop of mineral oil in the joint. Some like to use a dab of beeswax. Persevere, in either case, and things settle down. Best not to use olive oil in the joint. Okay for the blade but you don't want residue in the joint.
Some people like to carve or file a notch in the wooden handle to permit more access to the blade. This is useful if you find that the blade is a bit difficult to open. Opinels are a popular choice for customisations, and even a novice can easily shape, sand, and refinish to their liking. Have a look online for examples and ideas.
The crisp corners of the back of the blade will make sparks from a ferro rod with no problem. Even closed. So this might be a handy addition to camping gear. Or perhaps in a basic first aid kit.
Simple to use and maintain, inexpensive yet very serviceable, and certainly in the smaller sizes, not likely to raise an eyebrow in normal sensible use. Opinel's are world renowned, and with good reason.
Don't be put off by the thin blade. These really do work, and they work really well!
Preferences and requirements may change over time, but personally, a little Opinel, on its own or as part of the bits of kit for the day, is a very useful item. This has been proven again and again.
Thanks, Heinnie, for making this legendary brand available.