Worx WU380S.5 20V Li-ion 18MM Rotary Hammer is a 3-in-1 function which allows you to hammer, screwdriver and drill to fulfill the different work requirement. It equipped with a constant speed control function, so it allows you to control the speed to fulfill the working environment. The 20V Power Share battery platform allows you to swap and use our rechargeable on any 20V Worx Professional power tools!