Size: 200 mm length x 170 mm width; maximum open length 6 in (150 mm) Material: Our flat leg divider calipers are forged from stainless iron, with overall heat treatment, wear resistance, and long service life Features: The forged carbon steel legs feature hardened points for precise marking of the workpiece and precise fine adjustment by opening and closing the legs by means of an adjusting nut Applications: Spring divider is a useful measurement transfer tool for measuring the internal size of round stock or irregularshaped objects. Also for scribing circles into metal, dividing lines, drawing arcs, line segments, geometry drafting, etc Use scenarios Measure the inner diameter of tubes, bores, or round components to verify fit Lay out circles on metal or sheet by scribing with the hardened points Transfer a measured distance to a workpiece to mark parallel lines or to draft geometry and layouts