6 SCALES FOR VERSATILE USE: Includes 1:20 1:25 1:50 1:75 1:100 1:125 – perfect for all architectur...6 SCALES FOR VERSATILE USE: Includes 1:20 1:25 1:50 1:75 1:100 1:125 – perfect for all architectural, technical and engineering drawings. This triangular scale rule is designed for architects, engineers, and students. It offers a variety of scales for precise measurements.
6 SCALES FOR VERSATILE USE: Includes 1:20 1:25 1:50 1:75 1:100 1:125 – perfect for all architectural, technical and engineering drawings. This triangular scale rule is designed for architects, engineers, and students. It offers a variety of scales for precise measurements.