Otto Frei – GraverHone One

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Otto Frei

GraverHone One

Designed for jewelers who want consistent, repeatable sharpening results, the GraverHone One combines precise speed control with a clear digital RPM display, allowing users to sharpen the same way every time without guesswork. Variable-speed control and dual-direction rotation support everything from rough shaping to final polishing, whether working with high-speed steel or carbide gravers. Offering a speed range of 400 to 1,400 rpm, the high-torque, American-made motor is built for long-term durability in daily shop use. Measuring 6.1 inches by 10.7 inches by 8.5 inches and weighing 11.3 lbs., it can be used with the same wheels and accessories as the GraverHone VS.