The Bosch GWX18V-13CN 18V Spitfire X-LOCK Connected-Ready 5 - 6 In. Angle Grinder with Slide Switch delivers the ultimate combination of performance, control and power in a cordless grinder. It features the X-LOCK mount, offering a wheel change interface that's up to five times faster than conventional interfaces. Theres an audible snap when mounting an X-LOCK Wheel on an X-LOCK grinder. The wheel mounts properly without the need for a spanner wrench or flange nuts. The wheel is released from the grinder with the pull of a lever. This tool is part of the PROFACTOR System, which pairs BITURBO Brushless Technology with a CORE18V PROFACTOR battery. BITURBO Brushless Technology is a high-performance motor and drive-train system designed to deliver power comparable to high-demand corded tools. It features connectivity (module sold separately), providing a link to a connected device via Bosch Toolbox App to customize speed selection and individual mode setting. The grinder includes other advanced electronics such as X-Brake, Electronic Clutch Control and restart protection. It features spiral bevel gears and a two-position Vibration Control side handle.