The Makita 7" Angle Grinder with Lock-On Switch (GA7082) features a powerful 15 AMP motor that delivers 8,500 RPM for faster material removal. The GA7082 features a redesigned motor with greater armature stability and larger commutator bars for 3 times longer life compared to the previous model. The Angle Grinder features a power switch with both lock-off and lock-on capabilities. The rear handle trigger switch requires two actions to start the grinder.Key Features:DESIGN : 15 AMP motor with greater armature stability and larger commutator bars for longer life; 8,500 RPMPERFORMANCE : Brush spiral spring allows for a 30% larger brush and increased air flowDURABILITY : Labyrinth construction protects the motor and bearings from dust and debrisERGONOMICS : Large spindle lock button for easier wheel changesINCLUDES : Wheel guard, side handle, inner flange, lock nut and wrench