The milwaukee m18 fpp6b 503b fuel power pack 6 piece kit contains the following 1 x 18 volt m18 fpd fuel combi drill is fitted with a milwaukee designed and built brushless powerstate motor for up to 10x longer motor life and up to 60 more torque it has a compact design with a built in battery fuel gauge that displays the remaining charge no load speed 0 5500 2000min impact rate 0 32000bpm capacity steel 16mm wood 65mm length 197mm 1 x 18 volt m18 fid fuel impact driver offers 4 unique mode