DCD996 in the cordless tools combo kit has a DEWALT-built high power, high efficiency brushless motor that delivers up to 75% more runtime vs. 18V NiCad brushed motors.
DCD996 in the cordless tool set has a heavy-duty 1/2-inch ratcheting nitro-carburized metal chuck with carbide inserts for superior bit gripping strength
DCF887 in the drill/ impact driver combo kit has 3-speed settings for versatility with Precision Drive for added control