Product Scale Product Scale 1:100 (1) 1 to 12 (1) 1 to 15 (1) 1 to 16 (4) 1 to 20 (2) 1 to 25 (6) 1 to 28 (1) 1 to 30 (2) 1 to 32 (1) 1 to 33 (2) 1 to 35 (2) 1 to 40 (1) 1 to 45 (1) 1 to 47 (1) 1 to 50 (8) 1 to 60 (3) 1 to 64 (1) 1 to 72 (1)