Bosch Angle Grinder Kit GWX10 45PE RT 4 1 2 Inch X LOCK Wheel 10 Amp 11000 RPM Paddle Switch Tool Free Guard Reconditioned Metal Cutting Grinding Vise S2 Tool Steel Torsion Zone: S2 Tool Steel Torsion Zone: Premium steel bits incorporate impact absorbing torsion zones to maximize durability and prevent premature bit fracture Locking the internal self leveling gimbal prevents shock damage and calibration loss during transport across rough job site terrain Epoxy Coated Field Windings: Protective encasement acts as an armored barrier over copper wiring to stop internal short circuits caused by airborne conductive iron dust particles and surface preparation