Adjustable Plasterer's Square with millimetre and degree graduations that can be set in four fixed positions (22.5, 45, 67.5 and 90). It also has an additional 21 angles marked on its scale. The stock and blade are made from anodized aluminium and can be folded together, making it easy to store and transport. It can also be switched between right and left position. Blade Length: 1200mm (47.1/4in) Weight: 1150g.