Combination square set used for straight measurements, marking, center finding and angle measuring. Includes a combination square, a center head and a protractor head offering a range of measurement and marking capabilities. Ruler marked in both metric (millimeters) and imperial (inches) for precise measurements of lengths, widths and depths. Depth gauge feature to measure the depth of holes, grooves or recesses accurately. Scriber tool used as a marking tool to create straight lines or parallel lines on the material. Spirit level on the head to determine if a surface is horizontal (level) or vertical (plumb) for checking the alignment of walls, shelves and other structures. Center head designed to locate and mark the center of round or cylindrical objects accurately. Protractor head equipped with a pivoting arm and a degree scale, enabling you to set and measure angles precisely. Length of 300mm (approximately 11.8 inches) and can be used as try and mitre square. Ideal for woodworking, metalworking and general construction.