This machine made by 24K gold layer, and all other exquisite parts. Each coil is dynamically balanced and coordinated with the professional design of the rectifying wings to effectively control the wind noise for a quieter and more enjoyable tattoo experience. Special tilt angle design make machine working with all large sizes needles very easy. The armature seamless with two coils improve electromagnetic conversion Dragonhawk brand widen armature design make machine working more power The Spring made by anti-fatigue manganese steel. 12 Wraps coils. The coils made of POM material. Superconducting enamel envelope.