Tom O'Brien

Even the best craftspeople have a gap or two in their skill set. My weakness is sharpening — I've never been able to put a razor-fine edge on my chisels or plane irons. So when the M.Power Precision Sharpening System (PSS1) showed up at my door, I decided to set aside any initial skepticism and give it a try.

Idiot-proof design. The system is admirably simple, with nothing to adjust and no small pieces to lose. It consists of two pieces of extruded aluminum — a base to set the tool on and a two-sided sliding carriage that holds a diamond stone. One side of the carriage is angled at 25 degrees, and the other at 30 degrees. This allows the user to hone...

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