The Faithfull FAICS300SET combination square set incorporates engraved stainless steel rulers with strong metal sliding bodies. The handle features a scriber and a spirit level. This measuring tool is very versatile with at least 10 different uses including: 300mm measure 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. FAICS300SET