The V20 BRUSHLESS RP? Cordless 4-1/2-in Angle Grinder provides MORE RUNTIME. BETTER PERFORMANCE? for your demanding jobs. Features include a paddle switch tool-free guard for easy adjustments and a 3-position handle. BRUSHLESS MOTOR: Up to 65% more power compared to CRAFTSMAN brushed Grinder CMCG400 by measuring the unit output measured in unit watts out (UWO) with 4.0 Ah battery (sold separately) CONTROL AND COMFORT: Paddle switch is made with the user in mind QUICK GUARD ADJUSTMENT: Tool-free guard allows for easy adjustments CONVENIENCE: 3-Position side handle offers ultimate ease VERSATRACK? COMPATIBLE: Use the clips (Sold Separately) to hang this tool directly on the VERSATRACK? Wall Organization System (sold Separately) Maximum initial battery voltage (measured without a workload) is 20 volts nominal voltage is 18 BETTER PERFORMANCE: competitive products with brushed motors tested with either a 2Ah or 4Ah battery performance based on UWO power max torque or SCFM Includes CMCG451 Angle Gri