15-955-8-USB SPI Micrometer 2-3" to USB Interface PackageSPI Digital Micrometer to USB Direct Interface Package This package allows you to measure products with a 2 3" Electronic Micrometer, and then send that data to ANY Windows based software program. The incoming data is treated like a keyboard entry, so whenever you can type in data is where the incoming data will be placed. The USB Direct Cable has a data send button incorporated into the cable, and it also has a foot switch jack that will allow you to