The Makita DTD154Z Brushless Impact Driver has a high rotational speed of 3,600rpm, which is optimum for fast tightening of self-drilling screws. Featuring an aluminium hammer case, variable speed control and one-touch bit installation, this is a powerful and compact drill to suit any line of work. It also features electronic 3-stage impact power selection and the new T-Mode especially for tightening self-drilling screws.