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. These T-Squares have a stainless steel blade for accurate line drawing and cutting, a single hole for hanging and a plastic blue head. The blade features graduated inch markings in 16ths and 32nds 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