technical data:dcd791 drill driver power supply: cordless battery voltage: 18v hard torque: 70nm soft torque: 27nm effective power: 460w rotation speed (1st gear): 0-550rpm rotation speed (2nd gear): 0-2000rpm drill chuck: 1.5-13mm max. Drilling diameter in wood: 40mm max. Drilling diameter in metal: 13mm total length: 173mm weight: 1.7kg dcf887 impact driverpower supply: battery battery voltage: 18v max. Torque: 205nm effective power: 400w rotation speed (1st gear): 0-1000 rpm rotation speed (2nd gear): 0-2800 rpm rotation speed (3rd gear): 0-3250 rpm impact frequency: 0-3800 bpm drill chuck: 1/4 square total length: 134mm weight: 1.56kg efficient power tools with a brushless motor! light and compact design of the devices facilitates maneuvering in tight and hard-to-reach places perfectly profiled easy battery installation and removal thanks to the slide-in mounting both the dcd791 drill/driver and the dcf887 impact driver feature a convenient belt clip the tools are powered by high-performance xr li-ion 18v batteries with long runtime the 2-speed metal gearbox of the dcd791 drill/driver guarantees an optimal speed range adapted to many projects 15-stage torque adjustment allows for precise screwdriving of screws and bolts into various types of materials drill/driver with full control when screwdriving and drilling thanks to the intelligent switch impact driver the dcf887 has a 3-speed motor that generates very high torque ensuring full control and precision. Precision screwdriving mode reduces the risk of damaging the material and fastener. 3-diode led light ring ensures very good visibility of the work area. The set includes: 1x dcd791 compact brushless drill driver 1x dcf887 3-speed impact driver 2x xr li-ion 5.0 ah batteries 1x xr multi-voltage charger 1x tstak ii case **illustrative photos.