INSIZE 4101-C1D002 Individual Steel Gauge Block, 1.002 mm Grade 2

This is the 1.002 mm block in INSIZE's 4101 series of individual steel gauge blocks, made of alloy steel and built to ISO3650. INSIZE offers the series in grade 0, 1 and 2 accuracy, and this block carries the grade 2 code. It is sold as a single loose block rather than as part of a set, and comes with a manufacturer inspection certificate stating its checked size. Toolmakers and inspectors use gauge blocks like this to verify or set micrometers, calipers and other precision measuring gear. INSIZE notes that the series can be custom-ordered in any size from 0.5 mm up to 1000 mm.