The Clarke 0in. to 1in. Digital External Micrometer features a tungsten carbide-tipped anvil for superior durability. Zero setting button allows recalibration of tool in an instant. Easy-to-read LCD screen. Precision engineered from high-grade stainless steel. Clarke precision measuring tools deliver precise, accurate, reliable measurements every time. Caliper Type: External micrometer, Jaw Size (in.): 1/5, Length (in.): 6 1/2, Measures: SAE & metric, Range (in.(mm)): 0 to 1in. (0 to 2.5cm), Capacity: 1in., Display Type: LCD, Material: Stainless steel, Single, Pair, or Set: Single, Case Included: Yes Accurate to ± 0.001in. Digital display of SAE and metric Includes adjusting wrench, battery and nylon carrying case