The milwaukee m18 onepp2a 523x one key twin pack contains the following 1 x 1 x 18 volt m18 onepd fuel one key percussion drill connects via bluetooth with the milwaukee one key app allows for complete tool customisation up to 4 custom settings to the tools memory for fast selection on the jobsite fitted with a milwaukee designed and built brushless powerstate motor for up to 10x longer motor life and up to 60 more torque no load speed 0 5500 2000min impact rate 0 32000bpm max torque 135