Dewalt dck381m2 xr 2 speed 3 piece kit 2x 4 0ah li ion 18v dewalt dck381m2 gb this 18v 2 speed 3 piece kit from dewalt is a superb pair of power tools with the following features br br 1x 18v dcd785 xr compact hammer drill driver has an ultra compact lightweight design allowing it to be used in confined spaces while the intelligent trigger design allows for total control of application it has a two speed all metal transmission for increased run time and a longer tool life br br 1x 1