... power box for industry 1.Item name:Customized sheet metal power box for industry2.Sheet metal structure, power box,non ... plating. 9.Inspection tooling:Outer micrometer, inside micrometer(machine),digimatic micrometer, internal micrometer, mechanical caliper , vernier ... caliper ,caliper(digital),caliper(machine),caliper(dial),diameter scale, depth micrometer, digital caliper ...