Value for Price - Top-quality build and lightweight design delivers a truly professional quality experience that can be relied on time and time again., . The Alvin C30 Transparent Edge T-Square is a versatile tool for framing, edge drawing, drafting, and design projects. Made of wood with a clear transparent edge, this 30ruler is designed for precise measurements and layout tasks Alvin Transparent Edge T-Square, 30 (C30) T-Square: wood blade w/acrylic edge 30-TSQ-30 30 Inch T-square Alvin Transparent 22 By JamesMuchtastic On Professional Student Drafting Tool Multipurpose Tool - Designed for professionals, students, and hobbyists alike, this tool will deliver superior performance on a diverse array of projects. Blick Standard Aluminum T-Square - 30" | BLICK Art Materials Ideal Drafting and Framing Tool - Made with a premium select hardwood blade for strength and straightness. Easy to Use - Streamiled and lightweight design, as well as a smooth surface grants enhanced maneuverability and easy measuring.