The Fineness of Grind Gauge KT is used for the determination of the wet film thickness at which the size of the pigment just exceeds the film thickness. Each gauge consists of a block of hardened stainless steel with dimensions of: 175mm x 63mm x 13mm with either a single or double channel of 12.5mm width and supplied with a scraper blade.
Size ranges: 0-25um, 0-50um, 0-100um.

Standard gauges are engraved with micron, Hegman scales and PCU (North)