The BOSTITCH BTC440 18v Lithium 1/4" Hex Chuck Impact Driver Kit features a high torque motor which delivers 1400 in-lbs of torque. Designed with minimal reactionary torque which eliminates kick back. It also features a cold forged impact mechanism designed for maximum durability. This driver has an integral L.E.D. worklight that provides additional light in dark work areas. It also has a variable speed trigger for improved control during fastening applications. Includes: (1) BTC440 Impact Driver, (1) BTC480L Lithium Ion Battery, (1) BTC492L 18V Lithium Ion Charger, (1) PH#2 Screwdriving Bit, (1) Bit Tip Storage and Kit Box.