【High-quality materials】The combination square is made of high-quality stainless steel and aluminum alloy. Resistance to corrosion and oxidation. It is finely processed, durable and not easy to bend. 【Combination Angle Ruler】Adopt laser technology for high precision manufacturing, double-sided ruler in mm and cm graduations. Embossed graduation for easy reading and durability. 【Multi-dimensional measurement】Measuring range is 0~300mm, carpentry squares can achieve level measurement, 90° angle measurement, 45 degree angle measurement, can be used as a gauge 45 degree miter, height or depth. 【Easy to Use】This multifunctional square ruler is simple and convenient to use. It only needs to be calibrated. It can be used directly where you need to measure, and it is convenient for your operation. 【Scope of application】This combination angle ruler is suitable for measuring, marking, laying, etc., to help you measure accurately, widely used in home, engineering measurement, housing construction and other places. Features: 1.Combined bracket corner seat made of high quality aluminum alloy, strong corrosion resistance, durable. 2.Our 300mm combination square is a versatile tool. for precision work with ease. 3.Combination angle ruler Built-in horizontal bubble can measure objects horizontally, vertically and 45° bevel. 4. Stainless corner square with laser scale bubble level is clear and wear-resistant, and the double-sided scale is easy to read and use. 5.Square angle ruler combination base and ruler body can be used separately, powerful, easy to use, hidden marking needle. 6. Angle steel with a bubble level and an ergonomically shaped handle can meet the precision of home and craft applications. Carpenter's straight square can meet the needs of carpenters, engineers, etc. Specifications: Material: stainless steel + aluminum alloy Color: silver and black Size: 30.5cm x 11cm Measuring range: 0-300mm Package includes: 1 x Combination square Note: Please allow slight dimension d