The Starrett 436-3 1/2 Automotive Crankshaft Micrometer is designed for automotive work and especially for crankshaft measuring. It is also well suited for all other work within its capacity. It measures the diameter of the journal bearing and main bearing of most crankshafts since the micrometer has a range from 1-1/2" (38mm) to 3-1/2" (88mm).
This item is no longer available.
The direct replacement is 224ARLZ.
For additional support, please contact our customer service department at (978) 249-3551.
[Discontinued 10/2025]