Alvin 2200M Series Solid Aluminum Triangular 12" Scales Professional scales produced with hard tempered anodized aluminum. Mechanically engraved markings in 6 different graduations. Supplied in a see-through plastic case or pouch.
- 2200M1 is calibrated in 3/32, 3/16, 1/8, 1/4, 1/2, 1, 1-3/8, 1-1/2, 3/4, 3" To the foot; One edge divided to 16ths
- 2200M2 is calibrated: 10, 20, 30, 40, 50, 60 Parts to the inch
- 2200M3 is calibrated: 1:20, 1:25, 1:50, 1:75, 1:100, 1:125 Metric
- 2200M4 is calibrated: 1;20, 1:25, 1:33, 1/3, 1:50, 1:75, 1:100
- 2200M6 is calibrated: 1:500, 1:1000, 1:1250, 1:1500, 1:2000, 1:2500
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