These are a standard type of small size micrometer heads with a zero-adjustable thimble. They offer the following benefits: - You can make a zero-setting at any position by loosening the setscrew in the thimble.
These are a standard type of small size micrometer heads with a zero-adjustable thimble. They offer the following benefits: - You can make a zero-setting at any position by loosening the setscrew in the thimble.