A versatile measuring instrument with matt black diecast stock brass locking screw & polished steel blade with markings clearly etched on both sides fitted with a seperate scriber This tool can be used as a try & mitre square depth gauge steel rule & straight edge Spirit level gives horizontal plumb on 45 degree readings Centre head enables the centre of circular objects to be located Blade length 12in 300mm graduated in 32nds 16ths & mm Size 12in 300mmthis combination square can be used as an outside & inside try square as well as a mitre square It can also be used as a depth & marking gauge & as a rule or straight edge The vial in the stock give level 45 degrees & plumb reading A seperate scriber is also fitted 12in 300mm