Color-Coded University of North Carolina Screening Probe 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15 AND Williams Probe 1-2-3-5-7-8-9-10 mm markings.
A Probe tip into one easy-to-use double-end instrument. All Wise Probe tips are made from spring- tempered stainless steel and machine ground to exacting tolerances. The millimeter measurements are precisely cut into the Probe tips. Color- coding is applied to probes under extreme temperatures so that the color penetrates the surface of the tip. Probe tips undergo additional tight- tolerance grinding to achieve the desired readability for each marking. All tips are then formed by hand into their final shape by expert craftsmen.