power and performance - the hammer drill reaches 1450rpm and the impact wrench 3300rpm, perfect for drilling, screwing or unscrewing with power. brushless motor - provides high efficiency, extended life and less maintenance. variable speed - precise control according to your needs for working on wood, metal or concrete. universal 20v battery - compatible with teeno and makita 20v batteries. ergonomic design and case included - comfortable grip, sturdy case for easy transport and organized storage.