Bosch 18V LiIon Brute Tough 1/2" Heavy Duty Drill w/2 Batteries (Cert Refurb) 4-Pole open frame motor  more power in a smaller size New ergonomic design  for outstanding comfort Durashield housing  constructed to withstand jobsite conditions Optional Flexible Power System (FPS) provides choice of Max run time or minimum weight LED light- great for dark or enclosed areas