WTB a well cared for ball venier micrometer, such as this one.
The anvil or ball would need to accept a tube or case opening of .200". In other words, the diameter of the micrometer's ball head would need to have a diameter of less than .200".
The anvil or ball would need to accept a tube or case opening of .200". In other words, the diameter of the micrometer's ball head would need to have a diameter of less than .200".