The Electromagnetic edge finder  technology  is superior to all other edge finders because
1/ It can be built into a milling machine or CNC machine or any equipment that requires accurate edge locatrion.
2/ It locates the edge relative to the cutting tool. No additional errors are introduced 
3/ The accuracy of measurement depends on the accuracy of the cutter geometry and machine accuracy.
4/ Fast and easy to use.

5Microns Ltd will be selling the invention. 5Microns  Ltd  owns a provisional patent application No 607444 filed with the Intellectual Property Office of New Zealand.