The Dewalt DCK276T2T Brushless Kit consists of the Dewalt DCD996 Hammer Drill Driver and DCF887 Impact Driver:The DeWalt DCD996 combi hammer is the successor to the DCD995, with an improved, larger brushless motor which delivers up to 34% more power. DeWalt have improved the airflow to this motor which keeps it cool and at the top of its performance. It features an improved automatic high speed for increasing the users masonry drilling speed. It has a 3-speed gear box giving you ultimate control over blows-per-minute and revolutions-per-minute. For example, in gear three while in hammer mode you ll have 38,250 blows per minute while the chuck spins at 2,250rpm. There's also a newly improved, 3-stage, bae-mounted LED worklight. It has a maximum brightness of 60 lumens, enough to light up a huge work area and even bright enough to use solely as a torch. There's a sturdy switch built-in to the drill base to control the brightness.The DeWalt DCF887 XR Brushless Impact Driver is Equipped with application control, this is achieved through 3 motor speeds and torque settings. Precision Drive mode offers additional control in screw driving applications to avoid material and fastener damage. Fitted with a high power, brushless motor that is capable of outputting up to 205Nm of torque, ensuring heavy applications are completed quickly. It has a super lightweight and compact design that is very comfortable to use and fits in small spaces. The 3 LED, Halo light ring offers excellent work piece lighting.DCD996 Features:All metal nitro-carburized chuck prolongs life as it is stronger and rust resitantCarbide inserts improve bit gripping strength and helps to minimise dropped bit frustrations3 speed gearbox for a greater range of applicationsLarger brushless motor than previous model gives 34% increase in powerImproved air flow to the motorHammer Function increases speed to 2250rpm - Increased productivitySuper bright LED with 3 LEDs which give a range f.