Fowler Digit Counter Outside Micrometer Set 0-4" 

52-224-104

Features:

• Digital counter reads to .001”.
• Resolution: .0001" (using vernier)
• Microfine graduations on satin chrome.
• Carbide tipped measuring faces.
• Positive locking nut on spindle.
• Sizes over 1" include standard.
• Includes case.