The Clarke Digital Dial Indicator is precision engineered from high-grade stainless steel. Sensitive pivot bearing allows for precise measurements. Easy-to-read LCD screen has one-touch conversion from SAE to metric. Caliper Type: Digital dial indicator, Jaw Size (in.): 1/16, Length (in.): 5, Measures: SAE & metric, Range (in.(mm)): 0.0005–0.5in. (0.01-12.7mm), Capacity: 1in., Display Type: LCD, Material: Stainless steel, Single, Pair, or Set: Single, Case Included: Yes Accurate to ± 0.001in. Includes battery and carrying case