General Description This heavy-duty combination square set is designed for versatile use in woodworking and metalworking projects. It functions as a try square, mitre square, depth gauge, and marking gauge, providing precise measurements and markings. The set features a rust-resistant, die-cast stock and a ground-edged rule for accuracy. It includes a center head for locating and marking the centers of circular objects and a graduated protractor head that can rotate 360 degrees for measuring and constructing angles. Size: 300mm/12 inches. Technical Specifications Material: Rust-resistant die-cast metal Length: 300mm / 12 inches Features: Ground edges and ends on the rule, 360-degree rotatable protractor head Compatibility and Accessories Suitable for woodworking, metalworking, and general construction tasks Includes combination square, center head, and protractor head Installation No installation required; ready to use out of the box Usage Use the try square for checking right angles