Feature:1. HIGH POWER: Air cooled spindle motor kit, the driver maximum power is 600W, and the brushless motor power is 700W.2. GOOD PROTECTION: The drive inverter adopts perfect error and short circuit start protection to reduce machine damage.3. EXCELLENT MATERIAL: The shell is made of aluminum alloy and ABS, which has glossy surface and is not easy to corrode or rust.4. EFFICIENT COOLING: Powerful fan cools effective heat, prolongs the life of the spindle motor, efficient and durable.5. ROTATION SPEED: With standard ER11A collet, drive speed is 12000rpm and motor rotation speed is 13000rpm.Specification:Item Type: Air Cooled Spindle Motor KitProduct Material: Aluminum Alloy + ABSDriver: Model: NBD600M2Maximum Power: 600WMaximum Speed: 12000rpmMounting Size: 120 x 55mm / 4.7 x 2.2inMotor: Speed: 13000rpmCollet: ER11A.Package List:1 x Driver1 x Motor1 x Network Cable1 x PanelNote:Pay attention to electricity safety and use the correct voltage.