BEmpaistic Pro Skull Tattoo Machine Gun 10-wrap Coils for Liner Shader ReviewbP PP Empaistic Pro Skull Tattoo Machine Gun 10-wrap Coils for Liner Shader PCondition: Brand NewPRecommended Use: Liner or ShaderPSmooth and powerful operationPBalanced, high-strength, low-vibration framePVoltage: Starting at 5V, Working under 7V - 9VP