ALVIN Transparent Academic Acrylic Triangle Ruler 45/90 Degrees 12" Model S1450-12 Multipurpose Tool for Drafting, Design, and Architecture, Great for Machining and Woodworking - 12 inches
These triangles are made of molded 0.10 inches thick polystyrene and feature a transparent non-glare smoke tint for easy visibility. Edges are double beveled with handy fingerlifts for quick placement and removal. Supplied in poly bag with hanging hole.