Stuarts Original Micrometer Engineers Marking Blue

This Stuarts Micrometer Engineers Blue is used in marking out in the workshop/garage for locating high spots on steel surfaces when checking valve seals, and has many other uses.It gives a clear perfect mark on any metal in any light, and being a lubricant it cannot damage bearings or other working parts. Size: 38g.Additional Information:• Micrometer Type: Marking Blue