The Bosch GWX18V-13CB14 18V Spitfire X-LOCK plugged in ready 5-6 in. The Slide Switch Angle Grinder Kit features a tool that offers the best combination of performance, control and power in a cordless grinder. It features X-LOCK support that offers a wheel change interface that is up to five times faster than conventional interfaces. There is an audible snap when mounting an X-LOCK wheel on an X-LOCK grinder. The wheel mounts correctly without the need for a 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 combines brushless BITURBO technology with a PROFACTOR CORE18V battery. BITURBO brushless technology is a high-performance motor and drivetrain system designed to deliver power comparable to heavy-duty corded tools. It features connectivity (module sold separately), providing a link to a connected device via the Bosch Toolbox app to customize speed selection and individual mode settings. The grinder includes other advanced electronics such as X-Brake, electronic clutch control, and reset protection. It features spiral bevel gears and a two position vibration control side handle. The kit includes a PROFACTOR CORE18V performance battery. Spitfire Projector Performance a€“ Delivers power equivalent to a 13 amp corded grinder and X-Lock Mount X-Lock Wheel Change a€“ features click mount and grinder lever wheel release for quick change up to five times faster. Electronic Clutch Control - Helps shut down the tool if the wheel enters a binding situation. Tool-free disc exchange. The wheel mounts correctly without the need for a spin. wrench or flin angel nuts for lossless parts. BITURBO brushless technology a€“ with a high performance brushless motor and drive train system designed to take full advantage of the additional power generated by the batteries PROFACTOR CORE18V vibration control auxiliary handle a€“ allows for increased user comfort and control