Cordless this 115mm grinder gives you unrestricted use. Extremely robust and resilient with a 4 pole high performance motor it has a very high waste removal rate, running at 10,000rpm the same speed as many mains powered grinders it will cut and grind with ease. The body is slim so it can be gripped firmly and the low weight of only 2.3kg (with the 3.0Ah battery fitted) ensures less fatigue when used. Electronic Cell Protection (ECP): protects the battery against overload, overheating and deep discharge whilst Electronic Motor Protection (EMP) protects the motor against overload and ensures a long lifetime. Part of the Bosch 18V Li-Ion family of tools. Taking Bosch 18V, 1.3Ah, 2.6Ah, 3.0Ah and 4.0Ah batteries.