The DFS452Z Brushless Electric Screwdriver is designed to help you increase your working efficacy & to save any repetitive strain risks. Do more with less effort, thanks to Makita. Featuring a forward & reverse mode for removal as well as installation, Push Drive technology to make it even easier to securely & safely drive screws, a silent clutch to reduce noise risks, & LED joblight, & variable speed trigger, giving you even more control to work however you need to.