Linear Tools 50-355-055 Large Range Inside Micrometer 5-55mm DIN 863

Two pairs of measuring anvils provide a greater measuring range.
Lower anvil range: 5-30mm.
Upper anvil range: 30-55mm.
Setting ring supplied 30mm.
Non-glare satin chrome body and ratchet style thimble.
Graduations: .01mm.
Width: 140mm.
Height: 45mm.
Length: 253mm.