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Knives & Tools

Dia-Sharp credit card sharpening stone

January 1, 2019 by Scott Witner Leave a Comment

Dia-Sharp credit card sharpening stone

When it comes to maintaining your gear in the field, everyone, for the most part, focuses on weapons maintenance. Knives will typically take a back burner to maintenance. Having the ability to keep your blades sharp is a must,  especially when out in the field and away from home.

I’ve used many different methods, from diamond rods, Arkansas stones, and the cheap pull through sharpeners. I prefer a stone of some sort since it is easier for me to keep the angle consistent when I’m honing the blade. I also wanted something that was small and portable, yet tough enough to withstand abuse in the field.

What I found and have been using is the Dia-Sharp diamond stone by DMT. It is a credit card-sized stone that is incredibly tough. This, too, has found a permanent spot in my belt pouch that I have on me during day hikes or camping adventures.

Description: 3″ Dia-Sharp credit card sized diamond sharpening stone

Size: 3.25″ x 2″ x .05″

Grit Options:

  • Coarse diamond (45 micron / 325 mesh) to quickly restore a neglected edge. BLUE case.
  • Fine diamond (25 micron / 600 mesh) for a razor sharp edge. RED Case.
  • Extra-Fine (9 micron / 1200 mesh) to polish and refine a razor edge after sharpening with a coarser diamond. GREEN Case.
Dia-Sharp Grit Options.
(Photo courtesy of toolsforworkingwood.com)

MSRP: $14.26 from the DMT online store.

Made in the USA

Sharpening with a diamond stone is fast and easy. No messy oils needed – sharpen dry or with water. Durable construction will provide years of consistent performance and reliable service. DMT’s monocrystalline diamond surface sharpens knives faster than conventional stones. I personally went with the Fine coarse grit option as this is the ideal day-to-day honing option. The Dia-Sharp credit card-sized sharpening stone is my preferred stone for use with my chisel ground Emerson knives as well – it puts a wicked edge on them in no time.


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About the Author

Scott Witner is the Editor of The Loadout Room and handles product sourcing for both Crate Club and Cuna Dog. He is a former Marine Corps Infantryman with 2ndBn/8th Marines and was attached to the 24th MEU(SOC) for a 6 month deployment to the Mediterranean. He has completed training in desert warfare at the Marine Air Ground Combat Center, mountain warfare and survival at the Mountain Warfare Training Center and attended the South Korean Mountain Warfare school in Pohang.

See All Scott Witner Articles

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