Features:Laser fonts are not easy to wear and Embossed graduations for easy reading.Made of hardened steel, provide it resists rust, precision scale, durable for long use.Dual side reading scale and red and black two-color font mark makes measuring more efficient.Practical carpentry tool, for rafters, doors window framing, stair layouts and so many more other applications. This construction accessory is useful in making layouts and patterns. Specifications:Material: SteelThickness: 2mmMeasuring Range: 250 x 500mm Package Content: 1 x L Square.