DCD996 in cordless drill 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 has a heavy-duty 1/2-inch ratcheting nitro-carburized metal chuck with carbide inserts for superior bit gripping strength of the cordless tools combo kitDCF887 has a DEWALT built brushless motor for longer run time of drill/ impact driver combo kitDCF887 has 3-speed settings for versatility with Precision Drive for added controlDCS570 uses a 7-1/4-inch blade to provide 2-9/16-inch Cutting Capacity at 90 degreesDCS570 has runtime to complete 330 crosscuts in 2x4 (pine)DCS367 has a variable speed trigger with 0-2900 SPMDCL040 is a bright flashlight to illuminate your work area with LED output of 110 lumens.