US
Diamond

DMT D3EFC Dia-Sharp Credit Card Sharpener 3 Pack

  • Material Type: Micronized Monocrystalline Diamond
  • Grit Type: Coarse,Extra Fine,Fine
  • Item Weight: 0.02 pounds
  • Color: Blue, Clear, Red

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

This is a lightweight, small-scale chisel set suited to detail or trim work rather than heavy demolition, though sparse listing data means checking product photos before buying is wise.

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ASIN: B00006IIO3Model: D3EFCCategory: Chisels

Overview

At just 3.25 inches long and a slim 0.05 inch thick, the Diamond D3EFC chisel set is built for fine detail work rather than heavy demolition. The three-piece set weighs only 0.32 ounces total.

No material, hardness, or intended-use notes come with this listing beyond the title and dimensions, so the tiny thin profile is the best clue to how it is meant to be used. Three pieces in one set points to a small range of tip shapes or sizes rather than one general-purpose chisel.

  • 3.25 x 2 x 0.05 inch dimensions
  • 0.32 ounce total weight
  • Three-piece set
  • Diamond brand chisel

Who it's for

This suits crafters, hobbyists, or anyone doing fine detail and trim work rather than framing or demolition. It is not a match for buyers who need a full-size, heavy-duty chisel.

Pros and cons

Pros
  • Compact and lightweight for detail work
  • Three-piece set for varied tasks
Cons
  • No material or hardness spec listed
  • Not suited to heavy demolition work

Performance notes

With no material or hardness spec listed, performance is hard to gauge beyond size. The thin 0.05 inch profile points to fine work rather than prying or heavy chopping.

Specifications

BrandDiamond
ModelD3EFC
Dimensions & fit
Item Weight0.02 poundslower than 100% of 108 chisels
Item Dimensions L X W X H3.2 × 2 × 0.1 inches
Construction & materials
Material TypeMicronized Monocrystalline Diamond
ColorBlue, Clear, Red
Included components
Unit Count1
Included ComponentsDMT D3EFC 3-inch Dia-Sharp Sharpener, Credit Card Sized- Extra-Fine, Fine And Coarse Diamond -Set Of 3
Warranty & support
Manufacturer Warranty DescriptionManufacturer Warranty
Other details
Grit TypeCoarse,Extra Fine,Fine
Number Of Items3
Item Type NameDMT D3EFC 3-inch Dia-Sharp Sharpener, Credit Card Sized- Extra-Fine, Fine And Coarse Diamond -Set Of 3

Closest rivals on specs

Mayhew Select 10602 Cold Chisel 7 Inch
  • Item Weight 0.02 vs 0.04 pounds (-50%)
Miki Sho Power Grip Triangular Chisel 3 mm
  • Item Weight 0.02 vs 0.04 pounds (-50%)
Smith's DCS4 Diamond Combination Sharpener
  • Item Weight 0.02 vs 0.05 pounds (-60%)
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Frequently asked questions

How big is the Diamond D3EFC chisel set?

Each piece measures 3.25 inches long by 2 inches wide, with a thin 0.05 inch profile.

How many pieces come in the set?

Three, according to the listing.

Is this suited to heavy demolition work?

The very light 0.32 ounce weight and thin profile point to detail or trim use rather than heavy chopping or prying.