Starrett 449AZ-6R 0-Inch to 6-Inch .001-Inch Graduation 2-1/2-Inch Base Micrometer...
Depth Mechanical - Micrometers Base Length: 2-1/2 Graduation: 0.001 In. Maximum Measuring Range: 6 Minimum Measuring Range: 0 Number of Rods: 6 Rod Diameter: 0.125 In.