The Mast Wraith use high speed motor, powerful strength can be used for all kinds of tattoos. Special external soft and hard adjustment system, carved space aluminum. 1800 mAh external battery recharge 2 hours can work for 4-6 hours. Four disposable silicone grip with different diameter.Specifications: Connection: RCA Material: Aircraft aluminum. Stroke Length: 3.5mm Lining: 7.5V-9V Colour packing and shading: 6V-8V. Rpm: 8000-10000rpm Needle Protrusion: 0 - 4,5 mm Price included one pc RCA cord