Pro Art 12" Combination Scale

Pro Art Triangular Scale 12" Architectural/Engineer Combo- Shatterproof high-impact plastic scale is precision printed for accuracy and dependability. Combination architectural and engineering open divided: 1/8, 1/4, 1/2, 1" to the foot, 1/4, 1/2, 3/8, 3/4 size, 50 points to the inch, inches to 16ths.