The Mitutoyo 389-351-30 Digital Sheet Metal Micrometer has a measuring range of 0-1"/ 25.4mm. Features SPC Data Output, a Ratchet Stop for constant force, IP65 level protection against water and dust and carbide tipped measuring faces. These micrometers measure the thickness of sheet metal, paper, plastic and rubber parts. Supplied in a fitted plastic case. Other features include inch/metric conversion, origin-set, zero-setting and data hold.