Tormek KS-123 Knife Angle Setter is a precision tool designed to help you set the exact sharpening angle for virtually any knife with ease. This patented and sophisticated angle setter allows you to achieve the angle in just three simple steps, even on knives with tapered blades. It is self-adjusting to the diameter of the grinding wheel and compatible with all Tormek machines that have a universal support. The angle calculations are based on precise geometric measurements, ensuring accurate and reliable results every time. Setting the sharpening angle on your knife has been easier or more precise, making the KS-123 an essential accessory for maintaining sharp, ly angled blades. It works seamlessly with the Tormek T-8, Tormek T-4, and older models. Model Number: KS-123