RIDGID’S brushless motor technology delivers maximum performance and longer runtime. The powerful brushless motor in this grinder delivers up to 25% more power than its predecessor model (R86042B), with 9,000 . The ergonomic paddle switch design makes using this tool for extended periods of time easier and more comfortable. Also, with tool-free wheel and guard adjustment, users can make fast and frequent accessory changes to maximize productivity and minimize downtime. Using an electronic break mechanism, the wheel quickly stops rotating as the user lets go of the paddle switch. As always, the RIDGID 18V Paddle Switch Angle Grinder is compatible with all RIDGID 18V batteries. of all, this tool is backed by the industry’s Service Agreement, simply register within 90 days of purchase for FREE Parts, Free Service, For LIFE. The R86047 Grinder includes the grinder, a type 27 grinding wheel, guard, Side Handle and Operator’s Manual. Batteries and charger sold separately.