The ElektroPhysik 80-138-0000 MiniTest 745 Coating Thickness Gauge, Display Only, Probes Sold Separately is ergonomically designed and its rounded shape allows the MiniTest gauge to fit perfectly into the palm of your hand. It also features a measuring speed setting option that allows adjustment to changing requirements for utmost efficiency and optimum productivity: taking many readings in a short time with medium precision or taking only a few readings with increased accuracy.