... spare parts 1.Item Name:Copper or brass nuts for bathroom spare parts 2.Advantage:Fine workmanship, surface no scars, bright color and ... 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 ...