Features:-Small size, easy to carry-Fast speed, high efficiency-Durable, long working hours- Can be used for engraving metal or non-metal and other materials.- If the motor needs to work long hours, please install the fan forced cooling. Specifications:- Working voltage:12-48VDC- Power: 200W- Speed: 12000RPM (12v-3000rpm,24V-6000rpm,36V-9000rpm .48V-12000rpm)- Torque: 300mN.m- Insulation resistance: >2 megohms- Dielectric strength: 400V- Diameter: 50mm- Shaft...