The Faithfull Prestige Combination Square Set is manufactured from aluminium using computer numerical controlled (CNC) machines. The black anodised finish offers enhanced corrosion protection and the laser-etched scales give outstanding measurement accuracy. This square set includes a protractor head for marking and measuring angles, clearly graduated from 0-180° in both directions. A centre finder head is also incorporated for locating centre lines on cylindrical workpieces. Each head may be removed when not in use. There are also 2 handy spirit levels for accurate 90° horizontal and vertical readings and a marking scribe located in the stock. A versatile tool for use in both woodworking and metalwork projects. It may be used as an internal and external try square, T-square slide, mitre square, vertical and horizontal level, depth and marking gauge. It is suitable for marking out 45°, 90° and 135° angles. Faithfull 'Prestige' products are manufactured to the highest standards and are covered by a 10-year guarantee.Additional Information:• Size (mm): 300• Blade Material: Aluminium