A versatile measuring instrument with matt black die-cast stock, brass locking screw and polished steel blade with markings clearly etched on both sides, fitted with a separate scriber.
This tool can be used as a try and mitre square, depth gauge, steel rule and straight edge.
Spirit level gives horizontal plumb on 45° readings.
Centre head enables the centre of circular objects to be located.
Blade length 12in (300 mm) graduated in 32nds, 16ths, and mm.