5-30mm Stainless Steel Inside Micrometer Screw Internal Diameter Measuring Tool

Features : The precise mechanical structure makes reading convenientlyBuilt-in stop force device to ensure accurate repetitive readingsInsulation frame designHigh efficiency by one hand measurementHigh quality metal measuring surface, durable. Specification : Material: Stainless SteelColor: SilverRange: 5-30mmResolution: 0.01mm Package includeds : 1 x Inside Micrometer1 x Wood Case1 x Wrench Details pictures :