The best solution for fast and precisely processing rimless drill mounts! Digitally captures and memorizes hole and notch locations on the demo lenses then transfers them to the final patient lenses simply and accurately. Simplified operation for any shape hole or notch on any shape lens. Hole positions can be very simply and accurately measured from the edge of the demo lens and stored in a computer memory by pressing one button then called up for drilling the final patient lenses. 8 positions can be memorized at once. Allows drilling a customized lens with shape modification.