Ludwig Precision T-squares feature hard tempered aluminum blades securely riveted to a super rugged black plastic T-head. These T-heads possess high impact strength. Standard T-squares are made from extruded aluminum and are calibrated to 32nds through the first 6 inch on the top edge, cm and mm calibrations along the bottom edge. The 12 inch plastic head is attached with 4 rivets and calibrated out to 4 inch on each side of the blade.
Precision Aluminum T-Square 1 1/2 in. x 18 in., standard (pack of 2)
Ludwig Precision Aluminum T Square 1 12 x 18 Standard - Office Depot
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36” LENGTH – Aluminum metal T-Square is a straight edge with durable plastic head that is a tool for cutting, picture framing and drafting
Ludwig Precision Standard Aluminum T-Square for Art Framing and Drafting, 36-inch