Alumicolor's Standard T-Squares have a 1-1/2" tempered aluminum shaft, which is calibrated in inches and centimeters. The black ABS plastic heads are lightweight and nearly unbreakable. The heads are secured with five screws instead of rivets.

Alumicolor T-Squares have dual stainless steel cutting and inking edges embedded in a tempered aluminum shaft for heavy-duty use. They are calibrated in both inches and centimeters.

Designed with student needs and budgets in mind, our economical T-square is crafted for great looks and rugged durability. Seasoned hardwood is finished with smooth edges for precise drawing; the fixed head is secured with epoxy plus metal fasteners.

Made of select hardwood, with fixed black head. Has transparent plastic edges, offset for inking. Lengths to 48".

This aluminum T-square has a plastic head, with a high-tempered alloy blade .081" gauge, 2" (51 mm) wide. Legible markings are graduated in 8ths on one edge, 16ths on the other.

The Koala Tools Versa Ruler is the first and only size-adjustable, shape-making ruler that allows for the fluid creation of unlimited, multi-sided shapes. This amazingly innovative tool combines the essential features of 14 drafting tools into one.

This aluminum t-square from Staedtler is calibrated in inches on one side and metric on the opposite side.

This wooden t-square features a 5-screw fixed head. The elevated, transparent edges let you see under the line you are ruling and help prevent ink smears.

Teaches even young students to draw more accurately. Calibrated in inches on one side, metric on the other. Clear acrylic plastic, 12" long x 1" wide.

This 24" portable T-square from Westcott features a removable head that makes it easy to transport in the included carrying case or in a backpack. The T-square's high-quality aluminum shaft is calibrated in inches and metric.