4.5"-5" 18V X-LOCK Angle Grinder with No Lock-On Paddle Switch Bare Tool offers a wheel change interface that's up to five times faster than conventional interfaces. The grinder’s EC Brushless provides greater efficiency that maximizes runtime and productivity. The grinder provides an X-Brake, which helps provide a rapid stop of the wheel when the switch is turned off. It also includes other advanced electronics, such as drop control, KickBack Control, restart protection and soft-start technology. The grinder has connected-ready capability, supplying an interface that works with the optional Bosch Connected Tool Module to link to the free Bosch Toolbox app.