Diavite AH-00/00/90/2 Axis and Knives Tracer to measure small axis, knives, edges and wiresPDF Brochure knife shaped tracer, width 0. 6 mm, for small shafts and blades, to measure the cutting edge of a cutting tool, thin shafts, steel wires and edges radius of the tip: standard 5 m radius of the shoe: r = 25 mm do not use with the advance device down the use of a stand for the advance device is strongly advised Model AH Tracer AH Axis and Cutting Edge Tracer with Diamond 2m radius Detector Conical taper angle 60 Stylus tip radius 2m Diamond