INSIZE 3127-E2 Electronic Three Points Internal Micrometer, 1.6"-2"/40 mm-51 mm Sand Paper The unit includes several durability

The unit includes several durability features

CMT as made the Roundover Set to give you the maximum flexibility for all of your projects by putting the most requested diameters in one package

Improved dust blower keeps line of cut free of sawdust

This blade features a thin kerf

INSIZE 3127-E2 Electronic Three Points Internal Micrometer, 1.6"-2"/40 mm-51 mm Sand Paper The unit includes several durabilityElectronic three points internal micrometer, 1. 6 2" 40 51mm. Key Features: Resolution 0. 00005 inch Data output. Sr44 or Lr44 battery, automatic power off. Ratchet stop Optional: setting ring part #6313 Country of origin: China