The Hultafors Adjustable Plasterer's Square has millimetre and degree graduations that can be set in 4 fixed positions (22.5°, 45°, 67.5°, 90°). There is an additional 21 angles marked on the scale. The stock and blade are made from anodized aluminium. They can be folded together, making it easy to store and transport, and also be switched between right and left position. Specification: Blade Length: 900mm HUL252510