RUMOLD ACRYLIC TRIANGULAR SCALE

An indispensable tool for technical and architectural design: 3 sides with 6 different scales. Made of precision aluminium, accurate distinctive scale. Length 10cm (12"). Available metric scales:
DIN ('Engineer') = 1:2:5, 1:5, 1:10, 1:20, 1:50, 1:100
1 ('Architect) = 1:20, 1:25, 1:50, 1:75, 1:100, 1:125
4 ('Architect) = 1:100, 1:200, 1:250, 1:300, 1:400 to 1:500.