1The casting coil tattoo machine has strong power and rapid heat dissipation. 2Stable performance, fast speed, can work for a long time without getting hot. 3The coil is developed with the latest technology, with stable rebound and strong rebound magnetic force. 410 turns solenoid valve, 5V start, 710V work, it helps your tattoo art. 5Can be used for lining and shading, suitable for cartridge needle handle or ordinary handle.