A non locking paddle switch ensures the grinder switches off automatically when the unit is releasedIndependant box and spring brush holder design increases brush lifeSmall girth allows user to maintain a comfortable grip, resulting in superior ergonomicsThe low profile gear case allows access to confined areasFully leaded stator windings for increased motor durabilityPop off brushes protect the armature from damage at the end of brush life resulting in greater motor durabilityAbrasion protected motor for increased durabilityTop positioned spindle lock allows maximum depth of cut100% Ball bearing design increases efficiency and durability