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These 12" triangular scales are ideal for scholastic and vocational use. Satin finish, high-impact plastic with tapered edges. Sharp, easy-to-read graduations resist wear. White. Architect, engineer, and mechanical draftsmen graduations. English and metric. Items 110PC and 111PC are blister-carded. All architect scales have the following graduations unless otherwise noted: 3/32, 3/16, 1/8, 1/4, 1/2, 1, 3/8, 3/4, 1½, 3” to the foot; one edge to 16ths.