AV42 Saw Tool Sharpening System StartUp Package 7, 6, The AV42 is a professional grinder that will sharpen saw blades, face, top and side grind, ranging from 17/8″ to 42″ diameter, plus it will sharpen many different cutting tools such as raised panel cutters and profile cutters, antikick back router bit and shaper cutters without motor interference; something few ...