The MILWAUKEE M18 FUEL Variable Speed Braking Die Grinder, Paddle Switch w/ ONE-KEY delivers user demanded runtime with the ability to deburr up to 35 pipes on (1) M18 5.0ah XC Battery. Milwaukee's cordless Die Grinder offers variable speeds from 8,000-20,000RPMs to provide users the precision and power needed in key applications. Equipped with RAPIDSTOP technology that Provides Braking in under 2 seconds, the M18 FUEL Variable Speed Braking Die Grinder, Paddle Switch w/ ONE-KEY , gives users enhanced safety, while maximizing the amount of work completed. Compatible with ONE-KEY , this die grinder wirelessly connects to a smart phone to track and manage the tool, providing users with visibility to where tools are across their network of jobs. The POWERSTATE brushless motor delivers up to 20,000RPM and maximum power to allow users to maintain grinding power while in the tightest of spaces. The cordless tool delivers up to 2" Accessory Compatibility for material removal and surface prep applications. Milwaukee Die Grinder features REDLINK PLUS Intelligence, the most advanced system of Cordless Power tool electronics for maximum performance and longest tool life.