Alumicolor Standard T-Squares have a 11⁄2 tempered aluminum shaft, which is calibrated in inches and centimeters. The black ABS plastic heads are
Alumicolor 24-inch Standard Aluminum T-Square For Art Framing & Drafting
Ludwig Precision Aluminum T-Square, 2 x 36, Heavy-Duty
Drafting Tools - T-Squares - Sam Flax Atlanta
Alumicolor 18-inch Non Slip Standard Aluminum T-Square for Art Framing & Drafting, Silver
Alumicolor AlumiCutter Aluminum Straight Edge w/Inch and Metric Calibrations for Office, School, Engineering and Framing, 12IN, Silver - Yahoo Shopping
Alumicolor Professional T-Square Silver 30
aluminum t square ruler
Drafting T-Squares, Student T-Squares, Professional Drafting T-Squares - EngineerSupply
Alumicolor 82924 - 24 Wood/Acrylic T-Square
Non-Slip Professional T-Squares
Alumicolor Wood/Acrylic Calibrated T-Square for Art Framing & Drafting, 36IN : Office Products
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. 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.
Ludwig Precision Standard Aluminum T-Square for Art Framing & Drafting, 24-Inch