Prestige Quick Square 178mm (7in) ombines the functions of a combination, try and framing square and can be used to make basic measurements and as a saw guide for 45° and 90° cuts. It is designed to provide a quick and accurate way to mark out for many building projects and widely used when constructing roof rafters. It can be utilised as a protractor allowing the measurement of angles and pitches. This makes light and fast work of cutting wall shoulders or rafter ends. Pre-etched points on the square also allows for easy marking on common size timbers. This heavy-duty version is manufactured from aluminium using computer numerical controlled (CNC) machines. The black anodised finish offers enhanced corrosion protection and the laser engraved scales give outstanding measurement accuracy.