Alvin Engineering plastic scales are made for professionals and students alike. The 12" scale is divided in 10, 20, 30, 40, 50, and 60 decimal parts to the inch.
® Alvin is a registered trademark.
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Alvin Engineering plastic scales are made for professionals and students alike. The 12" scale is divided in 10, 20, 30, 40, 50, and 60 decimal parts to the inch.
® Alvin is a registered trademark.