1 pcs DC3-12V Large Torque JOHN-SON380 Motor & 1 set 0.5-3mm Drill Chuck Collets Set For the a small drill, and after connecting with the motor for PCB circuit boards drilling to do special mini drill Easy to ABS board, wood, sheet aluminum, cardboard punch High Speed Motor: Voltage range: 3.0-12V Rated voltage: 9V No load speed: 20160 No load current: 680MA Maximum current: 3.8A Rated torque: 600G.CM Rated power: 20W Starting torque: 1000G.CM Size about: Diameter 27.7MM, length 38MM, shaft diameter 2.3MM, axial length 12.7MM Used in household appliances, kitchen equipment, electric tools, drills and electric screwdrivers. Following is a no-load speed and current values for different voltages: 3V 6915rpm 0.52A 6V 14395rpm 0.66A 9V 21095rpm 0.68A 12V 29326rpm 0.80A Color:silver Material: metal Electric drill bit clamp set: Adapter drill: 0.5mm-3.0MM Material: copper Color: copper color Package contents: 1 x High Speed Motor 1 x axis 1 x copper cap 1 x 3.17 mm copper drill folder 1 x 0.5mm drill collet 1 x 1.0mm drill collet 1 x 1.5mm drill collet 1 x 2.5mm drill collet 1 x 3.0mm drill collet Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_