Bosch 4 1 2 Inch 10 Amp 11,000 RPM No Lock Paddle Switch Angle Grinder Unit Only Reconditioned (GWS10 450PD RT) Trenchers 50 in (1 2 in) Fastener 50 in (1 2 in) Fastener Leg Length 0 Variable Speed Control: The PS41 impact driver provides variable speed operation for controlled fastening 000 RPM: High rated speed supports efficient material removal with properly rated accessories Standard 7 8 in Arbor with Large Spindle Lock Button Switch Configuration Multi Grip Non Locking Paddle Switch (Deadman Style Shuts Off Immediately Upon Release) Grip & Chassis Ergonomics Narrow Barrel Grip Zone for Reduced Operator Hand Fatigue and Enhanced Multi Angle Control Gearing & Housing Sealing Spiral Bevel Gearing with Double Sealed Gear Housing (Sealing Plate + Sealed Bearings) Motor Protection & Cooling Direct Motor Cooling Airflow