UNIVERSAL SURFACE GAUGE Universal Surface Gauge has many desirable features and is designed for wide range of uses, which are supplied in four sizes. The base is made from case hardened steel, ground on bottom and at one end. The Fine adjustment feature makes it possible to obtain quick and accurate settings. This adjustment is made by a knurled thumbscrew, which is located at the end of the rocker. The rocker runs the 2/3 the length of the base and pivots against a stiff spring located at the rear end of the base SPECIFICATIONS: KM – 900 KM – 901 KM – 902 KM – 903 HEIGHT 185 mm 300 mm 450 mm 600 mm BASE LENGTH 55 mm 80 mm 100 mm 110 mm AND WIDTH 45 mm 65 mm 85 mm 90 mm Additional pillar of 4”, 9”, 12”, and 18” can be supplied on demand to respective cat nos