While not really required for trackwork construction, every respectable modeler should have a quality square close at hand. This is a high quality,
Driak Black 2pc Metal L Shaped Metric Square Carpenter Square 0-30cm 0-20cm Measuring Range Metal Framing Square Square Ruler for Accurate Cutting, Trimming, Slicing and Measuring
Alvin, Stainless Steel L-Square Ruler, Drawing and Design Tool for Students and Professionals, Great for Drafting, Architecture, Engineering, and Art - 3 x 4 Inches : Office Products
37-434 L-square Ruler 3″ x 4″
Uxcell L Square 200x300mm/8x12inch Steel Metric inch Double Scale Angle Ruler, Silver
Stainless Steel 3 x 4 L-Square Ruler
Specifications:, Main Material: Stainless Steel, Measuring Range: 300mm, Straight Ruler Wide: 28.6mm, Total Size: 300 x 140mm (L*H), Package Content:,
Right Angle Ruler 300mm Stainless Steel Dual Side Scale L Shape Square 90 Degree Layout Measuring Tool
Double-sided Scale 3CM Wide Steel Square Ruler,tools for Measuring Leather Craft
Uxcell 150x300mm Stainless Steel 90 Degree L-Square Ruler Measuring Layout Tool
Made from .022″ thick stainless steel With 1/32″ measuring intervals Metric equivalents on back One ruler – photo shows both sides!
Zona 37-434 L-Square, Stainless Steel, 3-Inch x 4-Inch
Stainless Steel 3 x 4 L-Square Ruler