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Iain Sinclair CardSharp2 Credit Card Folding Safety Knife 2.6" Black Blade

Customer Reviews 3.979 Read 48 reviewsWrite a Review
Part Number: ISCARDB2
Manufacturer: Iain Sinclair
Retail Price: $25.00
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ISCARDB2: 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 black Teflon coated blade)
  • Country of Origin: UK and China

UPC Code: 7223016412794

Zytel Handles
Zytel Handles
A nylon polymer that is lightweight and extremely durable, Zytel can be shaped and textured to provide excellent grip.
3.979 (48 reviews)
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3 out of 5
Chris K
Reading, PA
Jul 19, 2014
Pros: Overall Quality, Handle Feel, Weight, Blade Material
Cons: Lock Type, None
Novelty Factor High
Got a few for corporate gifts & was surprised that the quality met enough standards to give and be proud of. Sure, a lot can't be expected of a knife folding from a credit-card sized package but for an emergency tracheotomy it would certainly fill the requirements of a scalpel-sharp instrument . Don't try to use it for more than designed and I believe you'll be pleased with the overall handiness. I seemed to have none of the mentioned problems in construction or materials-knife opened & closed well in the 10 times I used it and other recipients of the gift sung its praises as thoughtful & useful. Generally appreciated by executives & contractors alike (which is hard to come by, believe me)
5 out of 5
Jun 11, 2014
Pros: Blade Material, Overall Quality, Ease of Opening, Weight, Blade Sharpness, Handle Material, None
Cons: Lock Type
Loved it, so easy to forget its in your wallet. But the TSA found it. A full body search, Sherriff questioning, 30 minutes later I was released. Damn, put it in checked bag, it's a pain in the ass if you get caught with it. Gotta order another one now....
5 out of 5
Apr 09, 2014
Pros: Handle Material, Weight, Blade Sharpness, Blade Material, Ease of Opening, Sheath, Lock Ease of Use, Overall Quality
Cons: Handle Feel, None
Way nicer than expected!
Well made. Easy to use. Fits well in my wallet and doesn't make it feel to thick and still closes just fine. Extremely sharp! Sharper than my $120 Hk! I did not have high hope for the price, but thought just to have in a jam it has to be worth it. It was absolutely worth it! Exceeded my expectation 10x. Very happy will most likely buy a few more. Highly recommended! My only complaint is the handle leaves a little something to be desired. However for something that folds up from the shape of credit card it is about as good as you'd expect. Still top notch.
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