1/2 Automotive Crankshaft Micrometer, Ratchet Thimble, 1-1/2 - 3-1/2" Range
AUTOMOTIVE CRANKSHAFT MICROMETER, 1-1/2"-3-1/2"
.0001" Graduation
1-1/2 to 3-1/2" Range
Extremely hard and stable one-piece spindle
Includes ratchet stop, lock nut, sttandard
Micro-lapped measuring faces
Rigid one-piece frame of drop forged steel, ribbed for extra strength