"The Auto-Sharp Module for the XT-3000 is an affordable way to bridge the gap between a manually operated machine and a fully automated CNC sharpening system. It always delivers consistent results regardless of operator skills, so it\u2019s ideal for multi-shift manufacturing operations and extended production runs.Easy to use: simply insert the chuck and press start.Sharpening intelligence: motor automatically senses grind completion, ensuring drills are sharpened evenly while reducing grind time and increasing productivityWork piece counter: keep track of operator efficiency and shift output as well as automatically receive maintenance remindersThis attachment can be installed on any past or present XT-3000.This attachment is for 115v 3mm-21mm Diameter Capabilities The XT-3000 Auto-Sharp does everything the XT-3000 does, but does it automatically.".