High performance motor produces 8,500 rpm for aggressive cutting, removal and finishing. Cast metal gear housing helps dissipate heat during extended use. Contoured over molded handle optimized for increased comfort. Spindle lock allows for quick and easy wheel changes. 3 position side handle provides control in multiple positions. Tool free guard makes guard adjustments quick and easy. 20 volt max system - high performance cordless platform. 14" length; weighs only 5 lbs. Battery And Charger Sold Separately.