Multi-purpose combination square for use in both wood and metalworking applications. Each square features a high quality cast and machined sliding stock, fitted with a stainless steel rule engraved with both imperial and metric graduations, a spirit level and marking scribe.The Faithfull combination square has at least 10 different uses including:-Measuring rule with metric and imperial scale, 90° inside square, 90° outside square, 135° inside square, 45° inside square, horizontal level, vertical level, T-square slide, marking gauge and depth gauge.Ruler Length : 400 mm / 16 inch.