Starrett electronic micrometers are designed for accurately measuring components in laboratories, metalworking, automotive & manufacturing facilities. They feature a large easy to read, LCD digital readout & balanced frame for providing accurate measurements. Selected models have one piece friction thimble for allowing uniform contact pressure while permitting one hand operation and ring type knurled lock nut for sure & quick locking. They come with IP67 rated protection for preventing damage against water, dust, coolants and dirt in machine shop environments. Choose from a wide range of these electronic micrometers, available in ratchet & friction thimbles.