Fairgate 8" aluminum drafting triangle. Lightweight, durable triangle features matte-satin finish that resists stains and tarnishing, 1/16" graduations on the 90-degree angle. May also be used as a template for circles from 1/32" to 31/32". Perfect 45/90 triangle for the home, office, studio, or shop. Fairgate 8" aluminum triangles are made in the USA.