Movable Design: This movable combined angle ruler has the design of the spirit level. Store many tools for measuring, make your workbench clean and tidy, very convenient to use and durability, and suitable for measuring, marking, layout, etc Superior Quality: Stainless steel combination squares are made of stainless steel, set combination ruler will never rust or corrode and is not easy to break. Well-made, perfect locking, precise angle Clearly Identifiable Scale: Stainless steel blades with black precision etchings, including brass hardware. Hardened steel 300mm rule and is etched with clear graduations 45/90 Degree: Sliding combination square, metric and imperial marking on the ruler can mark 90° and 45°. Adjustable depth for repetition marking and scribing. Built-in a level bubble for approximate marking and a metal scriber contained in the end Easy To Move: The reversible locking bolt allows the blade to be turned over or connected, adjustable carpenters' square four-scale edges can be used with regular metal ridges that can be placed on both sides of the screw to adjust the angle, Manufacturer: 3DBUYER