The Makita® 7 in. Angle Grinder has a powerful 15.0 AMP motor for high-demand applications. Active Feedback-sensing Technology (AFT®) turns the motor off if rotation of the wheel is suddenly forced to stop. The brake stops the wheel in 3 seconds or less for maximum productivity. The power trigger switch includes lock-on feature. The grinder has a soft start feature for smooth start-ups and is ideal for welders, fabricators, masons, maintenance/repair and more.