At Ludwig Precision, we take pride in the quality and dependability of each of our products. Our high-quality line of rulers, t-squares, straight edges and drafting triangles is great for professional and academic use in ...

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At Ludwig Precision, we take pride in the quality and dependability of each of our products. Our high-quality line of rulers, t-squares, straight edges and drafting triangles is great for professional and academic use in drafting, drawing, art, picture framing and cutting. We use high-quality extruded aluminum, cut to exact specifications. Each product is printed using precise imprinting techniques to create measurement tools that you can trust for years to come. Visible calibrations and large numbers make for fast and easy length-of-item measurements. Finally, the English calibrations allow for flexible use in any situation.

This Aluminum metal center-finding ruler is a straight edge that is a durable tool for measuring and drafting. Each aluminum metal center-finding ruler features edge-to-edge calibrations for easy length-of-item measurements, calibrations fill the entire surface of the straight edge drafting tool. This durable center-finding ruler is made from high-quality extruded aluminum for accurate measuring and drafting. Aluminum metal ruler is calibrated in inches for drafting and measuring. Center-finding straight edge features large numbers that are printed using precise imprinting techniques that will not rub off over use and time. Rulers are printed with large numbers for fast and easy-to-read measurements.

You can be assured that when you buy a Ludwig Precision product, you're getting the very best.



  • 48" LENGTH – Aluminum metal ruler is a straight edge that is a durable tool for measuring and drafting
  • QUICK AND EASY CENTER MEASUREMENTS – Save time and effort calculating the exact center of 2 points with this handy tool. Perfect for crafting, framing, embroidery, drawing, drafting and even rotary woodworking using salvaged lumber
  • EXTRUDED ALUMINUM CONSTRUCTION – Ruler is made from high-quality extruded aluminum for accurate measuring and drafting
  • INCH CALIBRATIONS – Aluminum metal ruler is calibrated inches
  • QUALITY IMPRINTING – Center-Frinding drafting straight edge features large numbers that are printed using precise imprinting techniques that will not rub off over use and time, rulers is printed with large numbers for fast and easy-to-read measurements
  • 48" LENGTH – Aluminum metal ruler is a straight edge that is a durable tool for measuring and drafting
  • QUICK AND EASY CENTER MEASUREMENTS – Save time and effort calculating the exact center of 2 points with this handy tool. Perfect for crafting, framing, embroidery, drawing, drafting and even rotary woodworking using salvaged lumber
  • EXTRUDED ALUMINUM CONSTRUCTION – Ruler is made from high-quality extruded aluminum for accurate measuring and drafting
  • INCH CALIBRATIONS – Aluminum metal ruler is calibrated inches
  • QUALITY IMPRINTING – Center-Frinding drafting straight edge features large numbers that are printed using precise imprinting techniques that will not rub off over use and time, rulers is printed with large numbers for fast and easy-to-read measurements

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