Ruby Combo Bench Stones
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Measures 4-3/4"L x 2"W x 3/8"H. Finished on two sides and neatly packaged in a wooden box. One side of the stone is medium and the other side is fine. Ideal for sharpening knives and gravers made of high speed steel or carbide. Ruby Stones are the ideal choice for deburring, blending, dressing, and fine polishing of molds & dies made of hard metals such as hardened tool steel, carbide and surgical stainless steel. Jewelers use them for sharpening of carbide and high speed steel engravers and other tools. Made in Germany from pure, sintered crystals of synthetic ruby. No bonding material is used, so these stones and files are extremely hard and resistant to changes in shape. This is particularly important for quality precision grinding and finishing. Use dry or with Gesswein Stoning Oil to grind, touch up or debur steel and carbide parts. Also recommended for use on materials such as glass, quartz and porcelain.
Measures 4-3/4"L x 2"W x 3/8"H. Finished on two sides and neatly packaged in a wooden box One side of the stone is medium and the other side is fine Made from pure, sintered crystals of synthetic ruby. Ruby Bench Stones are ideal for sharpening tools and gravers - even carbide.