Supersedes DGA455Makita DGA458Z 18v 115mm Brushless Angle Grinder with Paddle Switch Body Only The Makita DGA458 is a 115mm Angle Grinder with a Brushless Motor giving an impressive no-load speed of 8,500 rpm. The high powered motor is fitted with a battery protection circuit designed to protect the battery from damage due to overdischarge, high temperature or overload current. The machine is sold without battery or charger. FEATURES Includes a \"high speed mode\" and a \"high torque mode\". It automatically changes operation mode depending on the work load Brushless, high powered motor Battery fuel gauge Multi position side handle Rubberised soft grip Electronic torque control function - The tool electronically detects situations where the wheel or accessory may be at risk to be bound. In this situation, the tool is automatically shut off to prevent further rotation of the spindle Soft start feature reduces starting reaction Electric brake is activated after the tool is switched off Tool & battery protection system automatically cuts off power to the motor to extend tool and battery life Overload protection if used in a manner that causes it to draw an abnormally high current Overheat protection stops the tool if its temperature is too high Overdischarge protection when the battery capacity is not enough Releasing protection lock if the protection systems are activated repeatedly Accidental re-start preventive function - Even if installing the battery cartridge while pulling the switch lever, the tool does not start Shaft lock for easy accessory changing To prevent the switch lever from being accidentally pulled, a lock-off lever is provided SPECIFICATION Wheel Diameter: 115 mm (4.5\") Max Wheel Thickness: 6.4 mm Bore Diameter: 22.23 mm Spindle Thread: M14 No Load Speed: 8,500 RPM Overall length (Inc. 3Ah+): 362 mm Net Weight (Inc. 3Ah+): 2.6 Kg NOISE & VIBRATION Noise sound pressure: 79 dB(A) Noise K factor: 3 dB(A) Vibration K factor: 1.5 m/sec² Vibration: Surface Grinding: 6.5 m/sec² Vibration: Disc Sanding: 2.5 m/sec²