Micrometer hammer.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...r_fullsize.jpg
Fullsize image: https://s3-us-west-1.amazonaws.com/h...1_fullsize.jpg
Previously:
Micrometer mug - photo
Giant micrometer tombstone - photo
Calipers and micrometer Soviet Union flag - image
Giant micrometer - GIF
Double micrometer - photo
Braille micrometer for blind machinists - photos
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