Ideal for rugged applications, including cutting and grinding concrete and metal, the WP8-115 Quick 4 1/2 -in. angle grinder features an 800-watt motor, 19 1/2 in.-lbs. of torque, and a no-load speed of 10,000 rpm. The unit also includes a dust protection system, ergonomic design, and antivibration side handle that absorbs up to 60% of the vibration. At 5.3 lbs., its light weight reduces operator fatigue, and the toolless wheel change system saves time and energy. Metabo Corp. 800-638-2264.