The Bosch GGS 18V-20 Professional Straight Grinder has a brushless motor for increased efficiency and durability. Electronic Motor Protection (EMP) protects the motor against overload, and ensures a long life. Its compact and lightweight ergonomic design makes it easy to use, even in overhead applications. The restart protection safety feature prevents the grinder starting unexpectedly after a power interruption. Comes as a Bare Unit, NO battery or charger in a L-BOXX Case. Compatible with all Bosch Professional 18V batteries and chargers (Professional 18V System). Also compatible with AMPShare, the multi-brand battery alliance. Specifications: Tool Holder: Collet. No Load Speed: 24,000/min. Weight: 1.2kg excl. battery.