Bosch GWG 12V-50 S Professional Rotary Grinder produced for grinding, deburring, sanding, cleaning, and preparing of surfaces as well as removal of welding seams and welding points, especially on metal. Compatible with various 50mm grinding discs available on the market and 6mm as well as 8mm collets. Thanks to its powerful, high-performance brushless motor and high torque, the GWG 12V-50 S Professional gets all grinding jobs done quickly and easily. The variable speed trigger switch and 5 speed modes enable perfect speed control for various applications and optimal results. Great ergonomics, while a small grip size ensure fatigue-free work, even in tight spaces. Comes as a Bare Unit, NO battery or charger in a cardboard box. Compatible with all Bosch Professional 12V batte.