Amazing tattoo machine comes with 3 sets of different interchangeable cam strokes 3.5mm standard for newbies. 3.0mm stroke and 4.0mm stroke for this wishing to take there shading and lining techniques to the next level... Works amazing off a battery which with one charge will give you a hell a session time wise with just one charge. Kicker!! Also comes with a full grey wash set from element to include white and a box of stigma cartridges as well as green soap... 50 bucks!!! Hurry won't last long MPU!