This T-square is an essential tool for artists, DIY makers, students and professionals alike. Designed for accurate line drawing and cutting, the perpendicular plastic head allows you to line the ruler up so that your lines are square and level. The edge features graduated inch markings on one side and centimeter markings on the other. The head has 1/8" markings on one side and millimeter markings on the other. Stainless steel construction Edge markings go down to 32nds Features a single hole for hanging and storing