The Makita 7 in. Angle Grinder is built around a powerful 15 amp motor that delivers up to 6, 600 RPM for fast stock removal. It features labyrinthine construction that helps seal Internal components from outside contaminants to help increase tool life. The easy-to-use large trigger switch locks on for extended operation, and a large shaft Lock permits easy wheel changes. The switch handle rotates 90 degrees left and right, while the side handle may be configured in any of 3 positions to promote user comfort and control. At 7 in. Grinding wheel is included.