At Best Edge, our knife sharpening service utilizes the Tradesman Edge Apex, a professional belt-over-wheel machine equipped with 10-inch wet diamond resin grinding wheels designed for precision sharpening. We ensure that all Best Edge knives maintain consistent sharpness levels, verified with the Bess Sharpness Tester, which ranges between 70 and 150. Thanks to our advanced diamond resin wheel technology, we provide reliable results while minimizing variables to achieve accurate sharpening for every knife.