Carbon Steel Marking Knives

Strong and tough high carbon steel is easy to sharpen and can be given the keenest edge. Double bevel. Made in the USA. (more info)

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  • Carbon Steel Marking Knives - Kaufmann Mercantile1
  • Carbon Steel Marking Knives - Kaufmann Mercantile2
Carbon Steel Marking Knives - Kaufmann Mercantile

These blades are made of high carbon steel, one of the hardest metals used to make tools. Because of its exceptionally fine grain, high carbon steel can be given a much sharper edge than other alloys. The blades are extra thick to provide better stability and precise handling and adjustment.

Use & Care

The knives can be used for precision cutting, trimming, carving, and work in wood, paper, and other materials. The spear-point marking knife is especially effective for scribing fine lines against a straightedge, and the ¼-inch size can serve as a dovetail chisel. Because of the double bevel, the blades are suitable for right- or left-handed use.

No handle means you can customize your own: wrap the shaft with tape, leather, string — and make a loop through the perforation at the base to hang from a nail or your belt (though you may want to keep the blade in a sheath in that case).

High carbon steel is extremely hard, and therefore brittle, so the blade must be stored carefully to keep the edge free of chips or nicks and to prevent it from going dull (loose in a drawer is not recommended). High carbon steel is not corrosion resistant, that's the price of having the sharpest edge and the best way to keep it from rusting is constant use. As an additional precaution, you may want to coat the blade with WD-40 or camellia or mineral oil. Keep dry. For the best performance and depending on frequency of use, you should sharpen and hone your blade regularly; the duller it gets, the more work will be required to bring the edge back.

Production & Design

The marking knives evolved from the suggestions and feedback of woodworkers over many years.

Shaping, beveling, and slotting of the blades are done by hand-grinding and precision machining. 

The company that makes these knives is located in the center of northern California's woodworking community and has been producing tools for these and other craftsmen for over 30 years.


¾-inch Marking Knife: 3/32 inch x ¾ inch x 7 inches
¼-inch Marking Knife: 1/16 inch x ¼ inch x 7 inches

High carbon steel

Made in 
  • USA
  • Free shipping in the USA for orders $150+
  • $8.95 flat-rate for orders $35 - $150.
  • $4.95 flat-rate for orders under $35.
  • $29 flat-rate 2nd day for all US orders.
  • 90 days on all unused items.
  • Free return shipping in the US.
  • NY & NC.
  • Kaufmann Mercantile has partnered with BorderFree to offer shipping around the world. During checkout BorderFree will estimate charges for shipping, customs, and duties as applicable depending on the destination for your order. We currently offer the below attractive flat shipping rates with minimum orders.

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