Clamp only. The clamp is a strong forging. Weighs only ten ounces (.28kg.) and takes up very little space in a toolbox. Only 1-3/8" (35mm) high, including the lower sleeve in the rocker arm. Scriber has a 3/32" (2.4mm) diameter and is 3-1/4" (82mm) long.
Small Surface Gage, 4"/100mm Spindle Length, 2 x 1-1/2" / 50 x 38mm Base Size. Starrett Surface Gages are designed for a wide variety of uses. This is a basic tool for machinists and toolmakers. The main uses are for accurately scribing lines, transferring measurements and for probing surfaces in inspection work. 4" Spindle, 2" x 1 1/2" Base.