Ludwig Precision T-Square for Art, Framing & Drafting, Silver, 18-inch

18” LENGTH - Aluminum metal T-Square is a straight edge with durable plastic head that is a tool for measuring, cutting, picture framing and drafting HEAVY-DUTY CONSTRUCTION - Drafting T-Square features a 2” x 2.3mm extra-thick extruded aluminum blade, durable plastic head is calibrated to 5” on each side of the blade EXTRUDED ALUMINUM CONSTRUCTION - Drafting T-Square blade is made from high-quality extruded aluminum for accurate measuring, cutting, drafting and picture framing INCH AND CENTIMETER CALIBRATIONS - Aluminum metal T-Square blade is calibrated in both inches and centimeters for flexibility in drafting, measuring, cutting and picture framing QUALITY IMPRINTING - Drafting T-Square features large numbers printed using precise imprinting techniques that will not rub off with extended use and time