T-squares by Alvin, Fairgate, and Linex. Durable aluminum T-squares, stainless steel T-squares, wooden T-squares, and plastic T-squares. Professional T-squares and L-squares are essential tools for drawing, layout, and cutting. Perfect for graphic and commercial artists, architects, drafters, designers, sign makers, picture framers, quilters, printers, and more. Check out our selection of quality Alvin and Fairgate T-squares.