General description This 300mm Stainless Steel Combination Square is an essential measuring tool for engineers, carpenters, and woodworkers. It features an adjustable square head and a 300mm steel ruler, making it suitable for marking 45/90-degree angles, multi-dimensional measurements, marking straight lines, and drawing parallel lines. Technical specifications Length: 300mm Metric system: centimeters Imperial system: 30.5cm Material: High-quality stainless steel ruler and zinc alloy corner bracket Features: Built-in spirit level, metal tip Usage Marking 45/90-degree angles Multi-dimensional measurements Marking straight lines Drawing parallel lines Used as a set square, depth gauge, and spirit level Other information Engraved number calibration is clear and easy to read Rustproof and corrosion-resistant materials ensure durability