MAKITA 5" Angle Grinder with SJS - SJS Technology prevents Tool Kickback caused by Accidental Wheel Binding. Powerful 10.5 AMP motor delivers more output for increased performance. Electric Brake provides higher work efficiency for the operator Gear housing rotates 90 degrees for operator convenience. Refined Design at only 4.8 lbs. AC/DC switch for use with alternative power source. Labyrinth construction seals the motor from dust and debris by creating a complex set of channels prohibiting contamination. Externally accessible brushes for greater serviceability. Soft Grip for more comfort and control Ideal for Welders, Fabricators, Masons, Maint/Repair etc. INCLUDES: 5" Grinding Wheel (741407-8), Side Handle (153504-2), Tool-Less Guard (163474-7), Inner Flange (224399-1), Lock Nut (193465-4), Lock Nut Wrench (782424-9).