While not really required for trackwork construction, every respectable modeler should have a quality square close at hand. This is a high quality,
Alvin Drafting 3 x 4 L-Square Stainless Steel Ruler #SS34L
Material: Made of stainless steel, anti-rust and corrosion resistant, durable and lasting Size (Approx.): The outer size is 10 x 15cm/4 x 6 inch; the
Stainless Steel L Shaped Ruler Carpenters Square Framing Measuring Tool, 4 inch by 6 inch
Double-sided Scale 3CM Wide Steel Square Ruler,tools for Measuring Leather Craft
Alvin Drafting 3 x 4 L-Square Stainless Steel Ruler #SS34L
Uxcell L Square 200x300mm/8x12inch Steel Metric Inch Double Scale Angle Ruler
Stainless Steel Ruler with 30mm Scriber Block 20 Metric Inch Ruler, Silver Tone
L-Square Set With Levels, 3-Piece
Uxcell 20 Inch Straight Ruler Measuring Tool 0.03'' Thickness Stainless Steel Silver Tone 1pcs
Zona Stainless Steel L-Square - 3 X 4 Hummul Carving Company
Double-sided Scale 3CM Wide Steel Square Ruler,tools for Measuring Leather Craft
Double-sided Scale 3CM Wide Steel Square Ruler,tools for Measuring Leather Craft
Alvin 3 inch x 4 inch L-Square Stainless Steel Ruler is made of durable stainless steel with etched inch graduations. Ideal for hobby and craft projects.
Alvin SS34L 3 x 4 L-Square Stainless Steel Ruler
Zona L-Square Ruler, 3 x 4 - Midwest Technology Products