Product Scale 1:30 (1) 1:50 (1) 1 to 10 (2) 1 to 20 (1) 1 to 25 (2) 1 to 30 (1) 1 to 32 (6) 1 to 33 (2) 1 to 40 (1) 1 to 45 (1) 1 to 48 (4) 1 to 50 (1) 1 to 75 (2) 1 to 90 (1) 1:33 (1)