ALVIN - Transparent Triangle Set, Economical Drafting Tool, Multipurpose for Design, Engineering, and Architecture, Great for Machining and Woodworking - Set of 2-10" and 12" Triangles
Economical drafting tool features professional-quality, molded 0.08-inch polystyrene, and built-in finger lifts to make handling easier. Supplied in poly bag with hanging hole. Set of 2: 10 inches and 12 inches.