The Faithfull Prestige Quick Square (also known as rafter square or speed square) is manufactured using CNC machining from heavy-duty aluminium. It is then black anodised for protection and laser etched for accuracy. This go to product for many carpenters can be utilised as a protractor allowing the measurement of angles and pitches. This makes light and fast work of cutting wall shoulders (bird beaks) or rafter ends. Pre-etched points on the square also allows for easy marking for common size timbers.1 x Faithfull Prestige Quick Square Black Aluminium 300mm (12in)Additional Information:Square Type: QuickLength (mm): 300