Dependability And Reliability Are Essential For Measuring. This 0 To 1" With 0.0001" Increment Micrometer Delivers The Precision That You Need For Those Important Jobs. Reading From The 4 Digit Numeric Meter Minimizes Potential Human Error While Reading From A Dial. Set Includes Micrometer And Accessories, All In A Sturdy Plastic Case (6" X 3 1/2" X 1 1/4").