Bosch gives you the right heavy duty tool to get the job done with this9" 15 Amp High Performance Large Angle Grinder with No Lock-On Switch (1994-6D). It boasts the best power-to-weight ratio for the lowest weight of any 4 HP large angle grinder. The new vibration control side and main handles for 50% vibration reduction. Plus, the rotating main handle is always in the correct position regardless of applications and also features a dead-man switch.