Micrometers
Measurement Surface Shape. Available. Parallelism (μm) 0.2. Outer Diameter (mm) φ30. Product Notes: Please check the product specification for the part number 157-101 on the Micrometers - Optical Parallels, Series 157, OP. The 157-101 is included in our offerings for MITUTOYO Micrometers and our full line of MITUTOYO products.