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DMTD3EFC 3-inch Dia-Sharp Sharpener, Credit Card Sized- Extra-Fine, Fine and Coarse Diamond -Set of 3

DMTD3EFC 3-inch Dia-Sharp Sharpener, Credit Card Sized- Extra-Fine, Fine and Coarse Diamond -Set of 3

Q: How brittle are these? I want to put one in my edc pouch that rides around in my cargo pocket. Will they snap easily if bumped or flexed?

I don't think there is any danger of snapping the Dia-Sharp card by accident (or on purpose, for that matter). The substrate appears to be steel, about 1.5x the thickness of a credit card, with the finishing surface diamond-impregnated.

Q: Has anybody tried cutting these in half....to potentially double your usage time?.otherwise, i find the middle doesnt get used, just the edges. ThankS

Never have tried to cut them in half. Haven't experienced your problem with wear either. love these little stones. They do wear out though.

Q: Is there any abrasive on the card edges?

Just had a look at mine--nope, no abrasive on the edge--the cards are really thin, so I don't there really could be, anyway.

Q: Can the cards be modified in any way? Like cutting down to size or drilling holes through them to attach to a lanyard or camping bag?

They are just metal cards with an adhesive matrix that diamond chips are embedded into. You can cut or drill them as you want, but be careful so as to not knock the diamond chips loose from the card.

Product ID: 259821209

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Details

Material
Diamond
Brand
DMT
Colour
Multicolour
Product dimensions
8.3L x 5.1W x
Item weight
0.32 Ounces

⚡Sharpen knives faster with micronized diamond tech

💎3 diamond grit levels for precision

📏Credit card sized for ultimate portability

Description

💼 Sharpen your edge anywhere, anytime—because your tools deserve the best.

BUILT TO LAST - Robust construction ensures years of reliable, professional-grade sharpening performance.
POCKET READY POWER - Slim, credit card-sized design fits effortlessly in your wallet or tool kit—always ready on the go.
EFFORTLESS MAINTENANCE - Sharpen dry or with water—no messy oils needed, keeping your workflow clean and efficient.
PRECISION EDGE MASTERY - Three diamond grits from coarse to extra-fine deliver flawless sharpening for every blade.
SPEED MEETS DURABILITY - Micronized monocrystalline diamond surface sharpens faster than traditional stones without oil.

The DMT D3EFC Dia-Sharp Sharpener is a compact, credit card-sized sharpening set featuring three diamond grit levels—coarse, fine, and extra-fine. Its micronized monocrystalline diamond surface delivers rapid, oil-free sharpening for knives and tools, combining portability with professional durability for years of reliable use.

Specifications

Manufacturer	DMT
Part number	D3EFC
Item Weight	9.06 g
Product Dimensions	24.13 x 12.7 x 8.26 cm; 9.07 g
Item model number	D3EFC
Size	Small
Color	Multicolour
Style	Extra-Fine, Fine and Coarse
Material	Diamond
Power source type	hand_powered
Item Package Quantity	1
Number Of Pieces	1
Measurement System	Metric
Grit Rating	21
Grit Description	Coarse,Extra-fine,Fine
Included components	1 x 3-inch Dia-Sharp Sharpener, Credit Card Sized- Extra-Fine, Fine and Coarse Diamond -Set of 3
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

How brittle are these? I want to put one in my edc pouch that rides around in my cargo pocket. Will they snap easily if bumped or flexed?

Has anybody tried cutting these in half....to potentially double your usage time?.otherwise, i find the middle doesnt get used, just the edges. ThankS

Is there any abrasive on the card edges?

Can the cards be modified in any way? Like cutting down to size or drilling holes through them to attach to a lanyard or camping bag?

Common Questions

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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