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