The Rogue X Professional Tattoo Pen. This motor can spin up to 12000 RPM. The Machines work with Most Cartridge Needles and can work on any power supply. This is the 2nd version of the Rogue Series. This has a larger grip with a hexagon shape, this give you better grip and comfort. You can adjust the needle swing from 2mm - 3.5mm with a simple twist. This new pens design allow you to adjust the swing without worrying about it moving when you are holding it. Included: Machine cords. Pen Weight: 5 oz Warranty: 30-Days Needle Swing: Adjust your needle swing length with a simple twist of the grip.