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

Features : The precise mechanical structure makes reading conveniently Built-in stop force device to ensure accurate repetitive readings Insulation frame design High efficiency by one hand measurement High quality metal measuring surface, durable. Specification : Material: Stainless Steel Color: Silver Range: 5-30mm Resolution: 0.01mm Package includeds : 1 x Inside Micrometer 1 x Wood Case 1 x Wrench Details pictures :