The Faithfull Prestige Mitre Saw Protractor is a modern and accurate way to measure internal and external wall angles. It eliminates the need for calculations and reduces errors and waste. This measurement is commonly used to transfer angles to mitre saws but could also be used as a datum point for hand cutting. 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. Faithfull 'Prestige' products are manufactured to the highest standards and are covered by a 10 year guarantee. Description: Mitre Saw Protractor