Shape : 6063 aluminum ，CNC craft， Thermal design and durable.Magnet : Strong Magnet， More powerful， Long service life.Shaft : Ensure that the center point accurate.Winding : 100% hand-winding， Low current.Silicon Steel : Japan imports，Low wastage， High efficiency.Bearing : High-speed bearing， Smooth ， Low Resistence ，Low Noise.Copper wire : High Temperature ， Low Current.Package Content:1 x Outrunner Brushless Motor1 x Accessory Set