3C301 Electronic Digital Caliper. Get precise inside, outside, depth and step measurements for precision fits or quality checks. Thumb wheel adjustment for easy to dial in measurements. Range: 0 – 6 Inches; 0 – 150mm Graduations: 0.0005 Inches; 0.01mm Lock: Locking knob control holds the measurement Display: Easy to read digital display w/large numbers 4 Measurements: Inside, outside, depth, and step Battery: SR44/357 $29.95 USA Base Suggested List Price DocumentationDocumentation 3C301 Electronic Digital Caliper Data Sheet Related Products 3M201 Mechanical Digital Micrometer3M301A Electronic Digital Micrometer w/USB Cable3M701 Mechanical Digital Micrometer3C350 Fractional Electronic Digital Caliper