Steel combination square used for precise measurements, marking and checking right angles. Consists of a ruler that slides into a metal head at a right angle, forming an L-shape. Primarily used to check or mark right angles accurately. Ruler marked in metric (millimeters) 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. Length of 300mm and can be used as try and mitre square. Ideal for woodworking, metalworking and general construction.