Mast Dawn tattoo machine use 370 carbon brush motor, 8V/6500Rpm, 3.2mm stroke. Pen-style rotary tattoo machine for use with needle cartridges. Compatible with all standard tattoo power supplies. Machine frame are made from solid rods of high grade aluminum then polished and anodized, laser engraved logo. The grip is safe to be sterilized in an autoclave. Rotate the grip to remove it or adjust needle depth.Special mechanism makes a good direct hit together with enough softness. Perfect machine for all kind of works. Lining, fine dotwork, color parcking, shading, black and grey realistic.Specifications: Weight: 156g Stroke Length: 3.2mm Motor: 370 Carbon Brush Motor Speed: 9V/10000Rpm