Professional Color-Coded Premium plastic core triangular scales provide precise graduation etched on premium white color-coded plastic for exact performance.
560VS Architects Scale: 3/32, 3/16, 1/8, 1/4, 3/8, 1/2, 3/4, 1H and 3.
561VS Engineering Scale: 10, 20, 30, 40, 50, 60 parts to the inch.