The SENIX S2K2B2-01 20V Max* 2-Tool Combo Kit includes PDDX2-M2 20V Max* cordless 1/2-inch drill/driver and PDIX2-M2 20V Max* cordless 1/4-inch impact driver. Both tools feature a high-performance brushless motor that delivers more efficient performance and longer runtime. The drill/driver has a 1/2-inch keyless ratcheting chuck designed for increased strength and durability. The 17-position clutch and 2-speed gear box match different drilling and driving needs. The impact driver delivers up to 130 foot-pounds of torque and 3000 RPM to drive large-diameter screws. The 4-speed selector switch offers greater control over a wide range of fastening applications. 1/4-inch hex drill bit holder for easy and secure bit connection. Reversal Auto-Stop button stops tool automatically after bolts / nuts get loosened enough to prevent them from falling. The bright LED light with On / Off button provides increased visibility. Ergonomic and compact design for user comfort during prolonged use. Overmold with customized mic