This versatile disc grinder can be used for cutting walls and concrete blocks and grinding metals. In response to user’s requirements for class-leading overload durability and use for extended work periods, the 2-part coil design delivers increased heat radiation efficiency. The new dust-proof structure with rear-facing vent prevents intrusion of dust or debris, ensuring enhanced durability, while the interior carbon brush installation delivers a smooth, even housing. The compact, high flux density motor core gives better performance than previous models as well as realizing the best compactness and lightest weight in its class.