Bosch Combo Kit, Battery Included, 2 Ah Battery, 18 V Battery, 2 Tools, Tools Included: GSB18V-490 18 V EC Brushless 1/2 in Hammer Drill/Driver, GDX18V-1800 18 V EC Brushless Freak 1/4 in and 1/2 in Two-In-One Bit/Socket Impact Driver, Lithium-Ion Battery, Suitable for: HDC200 Dust Extraction/Collection Hood, Includes: (1) GSB18 V to 490 18 V EC Brushless 1/2 in Hammer Drill/Driver, (1) GDX18 V to 1800 18 V EC Brushless Freak 1/4 in and 1/2 in Two-In-One Bit/Socket Impact Driver, (2) 18 V Lithium-Ion 2.0 Ah SlimPack Batteries, (1) 18 V Charger, (2) Belt Clips, (1) Impact Bit Set, (1) Carrying BagBrushless 18 V combo kit includes two tools (impact driver and hammer drill) for power, with two slimpack 2.0 Ah batteriesHalf driver, half wrench freak features a 1/4 in quick-change hex shank and a 1/2 in square drive, for either bits or socketsPowerful hammer drill/driver design made with a brushless motor to deliver runtime and power for tough applicationsPowerful EC brushless motors both impact driver and hammer drill have EC brushless motors for great efficiencyUpgraded metal chuck featured on hammer drill/driver for greater durability, with greater power transferPrecision clutch with 20+1 settings provides driving accuracy for reduced fastener damageAll-metal chuck for more durability, along with first rate bit retentionBuilt-in LED light featured on both tools illuminate dark work areasElectronic cell and motor protection helps protect the tools and batteries from overheating and overload