Soba 4 inch/100mm Precision Adjustable Square

A convenient square designed for tool and die makers as well as woodworking: hardened precision ground blade and stock. The adjustable blade allows wider range of applications for checking squareness in places where conventional squares cannot be used. This precision square comes complete with a straight blade, steel rule graduated both in metric and imperial. The blade locks securely in any position from full left to full right by an easy to operate knurled knob  on the stock.