The DEWALT DWE4206 115mm Mini Grinder is fitted with a no-volt release switch preventing the unit from starting unintentionally when locked on. The switch must be consciously reset before power is delivered. Soft start reduces movement of the tool on startup increasing user control and there is a high-efficiency motor which improves performance, even in demanding applications. The dust ejection system removes the majority of debris from the air which passes over the motor, preventing abrasion and tracking. It has a new guard design allowing guard fitment adjustment or removal without the use of tools, for increased flexibility. A side-positioned spindle lock gives greater protection to the button when using in confined spaces. The grinder has pop-off brushes protecting the armature from damage at the end of brush life resulting in greater motor durability. It has a small girth allowing comfortable gripping and it has a low profile gear case, it allows access in confined areas. There