[High quality material] The combined bracket is made of high quality stainless steel. and aluminum alloy. Resistant to corrosion and oxidation. Fine processing, durable, not easy to burn off. bend. [Combined Squares] Laser technology is used to manufacture high precision double-sided rulers, millimeter and centimeter scale. Degree embossed, easy to apply. read and durable. [Multidimensional measurement] The beach of measurement is from 0 to; 300 mm.The carpentry grid can perform horizontal measurement, angle measurement at all times. 90 , an angle measurement at 45 and can be used as a gauge for a 45 degree miter, height or depth. [Easy to gauge use] This multi-functional square ruler is simple and convenient to use. utilize. It only needs calibration. It can be used directly there where you need to measure, which is convenient for your operation. [Scope of application] This combination angle ruler is suitable for; measuring, marking, paving, etc., to help you measure accurately, and is widely used in homes, engineering studies, housing construction and other places. feature: > 1. Corner seat made of high quality aluminum alloy. combined to square shape, strong tear resistance. corrosion and durable. 2. Our square combined of 300 mm is a multifunctional tool. For easy precision work. 3 . The square combined has a built-in horizontal bubble that can measure objects horizontally, vertically and vertically. an oblique angle of 45. 4. The square in stainless steel with level. bubble Laser scale is clear and fade resistant. wear, and the double-sided scale is easy to clean. read and to use. 5. The combined ruler base and body of the square ruler can be used separately, with powerful functions, easy to use. use and a hidden marking needle. 6. Angle steel with level bubble and ergonomic handle shape can meet your needs. the precision of domestic and artisanal applications. The carpenter's ruler can meet the needs of carpenters, engineers, etc. Specification: Material: Stainless Steel + Aluminum Alloy Color: Black Size: 30.5cm x 10cm Measurement range: 0 to 10cm 300mm Due to the different sizes, please allow a little size difference. Due to the setting difference due to lighting and screen, the color of the product may be slightly different from the picture.