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Iain Sinclair CardSharp2 Credit Card Folding Safety Knife 2.6" Satin Blade - ISCARDS2

Customer Reviews 3.333 Read 3 reviewsWrite a Review
Part Number: ISCARDS2
Manufacturer: Iain Sinclair
Retail Price: $25.00
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ISCARDS2: CardSharp2 Credit Card Folding Safety Knife
Iain Sinclair

Three ingenious folding operations metamorphose CardSharp2 from credit card size to utility knife in a flash of hi-tech origami.

CardSharp includes several clever safety mechanisms including:
  • A built in safety sheath that cannot get separated from knife (many serious accidents happen with conventional pocket knives which users forget to close and put their knife away, still open in pocket, camping bag or kitchen drawer etc).
  • A subtle protective hilt that appears when the knife is in an open position and prevents the hand from slipping onto the 2.6 inch (66mm) long blade.
  • A snap open lock mechanism that enables the knife to be opened using one hand and ensures the knife is safe and secure to use once opened with no blade tremor (conventional carton knives suffer from poor blade tremor). Fold mechanism impervious to water and rusting.
Kept conveniently and safely in a wallet, the lightweight CardSharp at just 12 grams will always be handy (far lighter than an ordinary pocket knife). With surgical blade technology made from non-rusting stainless steel (heat treated with an ultra tough black oxide finish), this invention is as clean and as sharp as a carton knife and highly suitable for anything from carton opening, cooking, DIY, camping, gardening to pencil sharpening.

Its an instant conversation piece! said inventor, Iain Sinclair. My target was to design a knife that was lighter, safer, easier to use and more pocketable than a Swiss army penknife, but what I ended up with is a product that has a greater wow factor than any other utility tool I have ever seen.

PLEASE NOTE: These blades are steel and they will set off any metal detectors.
  • LIGHTWEIGHT - 13 grams (regular Stanley type utility knife weighs around 150 grams, Leatherman same sized blade knife weighs around 85 grams, smallest Victorinox Swiss Army penknife weighs around 23 grams).
  • ULTRA THIN - 2.2 mm thick (traditional Stanley utility knife body thickness is around 25 mm).
  • RAZOR SHARP - Surgical blade technology with extra long 65mm cutting edge ensures longer lasting sharpness (Stanley utility knife blade edge is only 25mm long). Blade made from high quality rust free stainless steel. Independent testing laboratory; CATRA awarded Cardsharp penknife; VERY GOOD status for sharpness (ICP mm) and life (TCC mm).
  • SAFETY - Blade edge is protected when stored in wallet, drawer, or kit bag which avoids accidents and blunting (blunting often caused by rubbing against other knives or tools). Integral blade 'sheath' cannot be lost. Protective hilt appears when opened. When docked in closed position, design prevents injury. Cannot fold accidentally (as some folding pocket knives). Blade is locked solidly in open, cutting mode with no blade tremor allowing accurate precision cutting.
  • WATERPROOF - Machine washable with no hinged parts to rust up like ordinary folding pocket knives.
  • ECO FRIENDLY - Lightness and flatness reduces storage and shipping costs including carbon footprint. Simple two part construction with automated assembly saves manufacturing waste.
  • Product size 85.6 x 54 x 2.2 mm (size of credit card)
  • Product weight 13 grams
  • Pack size 120 x 120 x 5mm
  • Pack weight 38 grams (including knife)
  • Construction Black Polypropylene plastic body and satin blade)
  • Country of Origin: UK and China

UPC Code: 200100

Zytel Handles
Zytel Handles
A nylon polymer that is lightweight and extremely durable, Zytel can be shaped and textured to provide excellent grip.
3.333 (3 reviews)
3.3 out of 5 stars
5 star
4 star
3 star
2 star
1 star
5 out of 5
Jan 21, 2014
Pros: Weight, Lock Ease of Use
Cons: None
Really good gadget! fit perfect in the wallet, you can have it with you in case of emergency
3 out of 5
Jan 06, 2014
Pros: Blade Sharpness, Weight, None
Cons: Lock Ease of Use, Ease of Opening, Handle Feel, Handle Material
Nice to have...
It is a very sharp knife, but it is very flimsy. Serviceable for lite work but I will not carry it everyday. It will most likely end up in my car emergency kit.
2 out of 5
Hermosa Beach, California
Apr 25, 2012
Pros: Blade Sharpness, None
Cons: Ease of Opening, Handle Material, Handle Feel, Overall Quality, Lock Ease of Use, Lock Type
Interesting Novelty Item; Durability Questionable
I bought one of these in black (ISBCARDB2). This "knife" is an interesting novelty, perhaps a cool conversation piece, but not practical for anything I can imagine. It is thin enough to fit in a wallet when closed. However, the safety lock is rather awkward and difficult to operate (you press on it and turn it with your thumb or finger -- it has to be aligned just right to allow the blade to be extended or fully closed). Once unlocked, opening the blade and folding the handle into place is a little tricky -- the 2.5" blade is reasonably sharp and you're apt to cut your finger if you're not extremely careful. Once the knife has been opened and folded together properly, the blade isn't well secured and wobbles -- you certainly wouldn't want to try to stab something with it, although it would be OK for slicing open an envelope. I think that even cutting up an apple with it would be a challenge. Because the polypropylene handle has to fold together, the joints or seams between the sections of it are quite thin, which raises a question as to their durability -- although the manufacturer claims it will last through "infinite numbers of folds," I'm skeptical, but time will tell. Lastly, the claims in the brochure that came with the knife are laughable (e.g., "lightweight surgical knife," "great chef's knife"). This is an interesting little gadget, something to show your buddies, but it's not a serious knife. Mine stays in my desk drawer -- I wouldn't consider carrying it. In fact, it's really pretty silly. OTOH, it was only $20.
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