Alvin 6 Inch Triangular Pocket Scales

6" high quality scales made from high-impact plastic with white, non-reflecting dull-matte faces and tapered edges. Printed graduations and color-coded furrows. Sold individually or as a blister card set.

610A Architects Scale: 3/32, 3/16, 1/8, 1/4, 3/8, 1/2, 3/4, 1 and 3.
610E Engineering Scale: 10, 20, 30, 40, 50, 60 parts to the inch.
P600C: Contains one 610A & 610E.