W 11-125 and WP 11-125 Quick Angle Grinder, 4-1/2 in and 5 in, 11 Amps, 11,000 RPMLow fatigue as never before: compact angle grinder with smallest handle circumference in its class for perfect ergonomics Longer service life, more power, the Metabo Marathon motor with patented dust protection, up to 20% more overload capacity and 50% more torque Tool free adjustable guard, twist proof Metabo S automatic mechanical safety clutch, minimizes kick back to the lowest level when the disc jams unexpectedly for maximum user safety and swift