The Metabo HPT G12SQ2 - 4-1/2" 7. 9 Amp Non-Locking Paddle Switch Grinder offers improved features and technology over its predecessor, the G12SQ. The G12SQ2 offers a 7. 9 Amp brushed motor with 10,500 RPM no-load speed. This grinder also features the smallest grip circumference in its class which provides added comfort and control, especially during extended use. The stator coil of the G12SQ2 has fluidized bed coatings that increase resistance to wear caused by dust and debris. The G12SQ2 is equipped with an easy-to-use lock-off paddle switch for additional user safety. This lightweight (4.4lbs), feature-loaded grinder is ideal for various applications.