These rugged, professional-quality scales are made from anodized aluminum with a solid core. Printed black graduations on non-glare finish.

3010-1 Architects Scale: 1 1/2, 1,3/4,1/2,3/8,1/4, 1/8, 3/16 & 3/32" to the foot. One edge divided to 1/16"

2200M-1 Architects Scale: 1 1/2, 1,3/4,1/2,3/8,1/4, 1/8, 3/16 & 3/32" to the foot. One edge divided to 1/16"

3210-1 Engineering Scale: 10,20,30,40,50 and 60 parts to the inch.

2200M-2 Engineering Scale: 10,20,30,40,50 and 60 parts to the inch.

2200M-5 Metric Scale: 1:100, 1:200, 1:250, 1:300, 1:400 and 1:500 parts to the inch.