RIDGID introduces the 18-Volt OCTANE Cordless Brushless 4-1/2 in. Angle Grinder (Tool-Only). The Brushless 4-1/2 in. Angle Grinder delivers unmatched performance in a cordless package. This grinder delivers an industry leading 10,000 RPM. OCTANE tools utilize high performance brushless motors for increased power and runtime. State of the art OCTANE electronics are built to handle maximum power from OCTANE batteries. Battery and charger sold separately. This item is removed from retail packaging for shipping purposes (Bulk Packaged) and will arrive in a generic box.