Circular Gauge Set
This larger gauge set lets you get hold of each block much easier than smaller, bar type gauges. By combining the correct gauges, you can stack them in increments of 0.5 mm from 1mm to 32.5mm.
(ORS2) mm ø 25 x1mm, 1.5, 2, 4, 8, 16
(ORS3) inch 1/8", 1/4", 3/8", 1/2", 5/8", 3/4", 1