With the KS-123 angle adjuster for knives, you can adjust the exact grinding angle for virtually any knife. In three simple steps, you can adjust the exact angle even with knives with conical blades with this patented and sophisticated solution. It adjusts itself to the diameter of the grinding wheel and fits all TORMEK machines with a universal support. Calculating the correct angle is based on exact geometric measurements, so this analog angle adjuster is always correct. Adjusting the sharpening angle for knives has never been so easy and precise