The new compact cordless grinders ETSC 125, RTSC 400, DTSC 400 offer unrivalled freedom of movement. The powerful 18 V Bluetooth® Ergo battery with its 3.0 Ah capacity provides the power of a mains-powered machine. This allows for a compact design that ensures even weight distribution, excellent ergonomics and a light weight of only 1.4 kg. Automatic dust extraction with Longlife dust collection bag makes the tool convenient - this ensures effortless work even on overhead, vertical surfaces and difficult work areas. The Bluetooth® battery ensures convenient working with the Festool system vacuum cleaner with Bluetooth® function and automatically starts the vacuum cleaner in AUTO mode when you switch on the cordless sander. The battery can be replaced by a plug it power adapter, which guarantees unlimited running time of the tool - an ideal solution for stationary use and when working with a Festool system grinder.