Inside Micrometer Set with Case, 6-78" Range, .001"
Adjustable, ground steel supporting collars
All rod anvil contacts are hardened and ground
Extension rods are lightweight with extreme rigidity
Hardened ground and lapped surfaces
Heads basic length of 4" (100mm) can be lengthened to 6" (150mm)
Inside measurements from 6-78"
Interchangeable tubular steel measuring rods
Measuring rod anvil contacts are adjustable
Rods provided with insulated handles
Satin-chrome micrometer head