Features and Benefits: * Powerful motor delivers 0.25 HP (0.19 kW) at 28,000 rpm free speed * Integral safety-lock throttle lever prevents accidental start up * Strong aluminum housing withstands tough operating conditions * Front exhaust helps keep work surface clean * Durable ball-bearing construction improves balance, reduces vibration, and ensures a longer life New and improved. Durable, reliable, and cost-effective, our 307B general purpose grinders are designed for porting, light weld grinding, smoothing sharp edges, de-burring, and polishing. Their compact design offers exceptional maneuverability, versatility, and accessibility for difficult-to-reach spots. Kit Includes: 10 mounted grinding tips, blow-molded case.