Used to lay out Machine work, or to set up pieces on a planer, radial drill, milling machine or boring machine. To set the Scriber the spindle swivels down or up into any position where it is clamped by the knurled nut. There is a fine screw adjustment for the Scriber point (note: this is not original Scriber supplied with this instrument). The base on this Surface Gauge can be set on cylindrical work, using the ‘V’ groove in the base, or by pushing down the two gauge pins. It can be brought square with an edge or T slot. Metal gauge toolgauge, tool, trade, brown and sharp manufacturing company