Tekna TEK-SCD Double Edge Security Card Knife

As a kid that grew up in the eighties I wanted one of these knives, Its everything I imagined it to be. Now do keep in mind that this is purely a weapon, this knife is double edged and made to slash other human-beings, regardless of what the manufacturer may claim. Its VERY sharp, compact, and very fast. It is easy to accidentally cut yourself on a knife like this and with a little extra honing you have a double sided straight razor...treat the knife accordingly.

So it is simultaneously really cool and stupid at same time. Had one when I was younger. Looks neat but not a particularly ergonomic or useful tool. The one sent to me in particular is extremely tight when closed thus difficult to deploy. Ya feel like you’re going to accidentally cut your fingers off trying to get blade out. That being said I’d still recommend it. It’s cool.

I remember these back in the 80’s, pretty cool item, fits right in my wallet. The action is a little stiff, but I lubed it up and it loosened. Must buy if you’re a nostalgic, knife buff.

It's an okay backup knife. It's not quite as thin as I imagined and it is a little awkward to hold in the hand. The slider button you use to open it seems a bit fragile. On the bright side it does come plenty sharp and is very comfortable in a font pocket.

Fun small credit card type knife. Feels solid and easily opened with one hand. Well riveted around to the frame.Would recommend it to any one. Just remember when going to the airport.

In a state where spring assisted opening and gravity knives are illegal, this knife is the answer. It's light and easily carried in a watch pocket. In a critical situation where a folding blade would be awkward, this knife opens with the flick of the thumb. Great, thoughtful design.

I wanted a flat, easily accessible knife to carry in a back pocket; it would have replaced a very basic, slim folding knife I have carried for years: slim as it is, the TEKNA is slimmer - and the blade is quite excellent.Two design flaws have relegated my TEKNA to a catch-all drawer: (1) bits of the everyday grit that finds its way into my jeans pockets also find its way into the the knife's slender housing resulting in a grinding sound whenever I slide the blade out of its sheath (no amount of dry lubricant changes that) and (2), the locking mechanism that is necessary to hold the knife in its open (operating) position is entirely unreliable. It was this latter drawback that again has me carrying my cheap - but reliable - West Marine stainless & plastic folding rigging knife (I removed its superfluous belt clip to make it slimmer still)

Very sharp. Push button down and forward a little then snaps out with a flick of the wrist. Too big for wallet. Bevel on both sides, easy re-sharpen. As seen in a Steven Segal movie, he offers guy his "wallet" (this knive), then cuts his throat with it. Believable, now that I've seenthe actual knife.