Description: 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 Includes: 1 piece Inside Micrometer Note: Pls allow an error of 1-3mm due to the difference of manual measurement