Multipurpose square for use as tri square, marking and depth gauge, mitre square and straight edge. Stainless steel 300mm blade marked in metric and imperial graduations. Aluminium stock 180° protractor and centre head. Knurled brass screws for easy adjustment. Includes scriber and vials. Multipurpose square for use as tri square, marking and depth gauge, mitre square and straight edge. Stainless steel 300mm blade marked in metric and imperial graduations. Aluminium stock 180° protractor and centre head. Knurled brass screws for easy adjustment. Includes scriber and vials.