L.S. Starrett 124 Series Solid-Rod Inside Micrometer Sets

• Measuring rods are solid and assembled on one side of the micrometer head
• Rods are insulated
• Hardened and ground anvils
• Quick-reading figures every thousandth numbered
• Each rod marked with length
• Desired range is obtained by assembling rods and spacing gages to the micrometer head
• For measuring inside diameters of cylinders and rings, measuring parallel surfaces, and other applications