Dragonhawk Mast Lancer Wireless MachinePerform powerful linework in PMU procedures with the Dragonhawk Mast Lancer wireless machine. This machine has a 3. 5mm stroke length and lets you easily adjust your needle depth up to 4mm with a simple turn of the grip mid procedure. With its robust battery, the Mast Lancer gives you up to 12 hours of power for longer procedures. Additionally, this machine comes with two batteries, so you can easily swap them out whenever youre running low on power.