Our 400mm x 600mm Aluminum Framing Square is made from strong reinforced aluminium and offers a versatile solution for marking and layout. The extra thick frame provides you with added durability, suitable for the toughest of josbite conditions. Scribe notches from 25mm - 330mm allows you to easily and accurately make markings for accurate cuts. High visibility laser etched markings allow you to easily read measurements on the carpenter square. Angle finding markings help you in setting common pipe angles.