The HiKOKI Cordless Brushless 2 Piece Kit includes an 18V Cordless impact (hammer) driver drill & 18V impact driver, offering the pro all the power and versatility for all applications, every day. Included alongside the tools is one lithium ion 18V/36V multivolt battery for excellent power and run time, while providing fade-free power and protection from over-charge, over-discharge, and over-load. Other items included are a battery charger and Hard carry case. The tools in the KC18DBSL(H4Z) kit feature powerful brushless motor technology that provides longer run-time, increased power, and extended durability with essentially no maintenance.