FEIN 12 and 18 V cordless drill/drivers. The battery, electronics and motor interact perfectly, making FEIN cordless drill/drivers extremely powerful. FEIN's brushless PowerDrive motors feature outstanding long service life. They are 30% more efficient, protecting the battery and ensuring longer battery life. High speeds with optimal work progress enable fast, precise drilling in metal. The optimal cutting speed for any hole diameter. 4 gears always provide the right speed for the hole diameter and material. Switch between the various applications quickly with QuickIN accessories.