Alvin Professional Smoke-Tint Inking Edge Drawing Triangles, Drafting TrianglesProfessional drafting triangles. Alvin smoked inking edge drafting triangles are constructed of molded 0.10" thick polystyrene plastic 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. 45°/90° and 30°/60° available in several convenient sizes. Made in the USA. Alvin smoked plastic professional inking drafting triangles. | |||
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