16mm 12V DC Coreless Tattoo Motor Structure: Coreless Rotor +Permanent Magnet Stator+ metal brushes Size: Dia16*L25mm Shaft Dia: 1.5mm Certification: ISO9001, ROHS Endplay: 0.35mm Max Rotation: CW/CCW Voltage: 12V etc. Performance: No load:12800RPM 18mA Stall: 183g.cm 2.06A Dual shaft, brushless