This is MK008 8 Wrap Coils Low-Carbon Steel Liner Shader Tattoo Machine Black. The spring made of superior composite material with high elastic for long time anti-fatigue. Its steady body and smooth vibration will make your tattooing much more professional. This tattoo machine is a pro-quality beauty product with everything you′ll need to tattoo. It perfect for any tattoo artist looking for a good quality tattoo machine!                                    Features            New and high qualityThe spring made of superior composite material with high elastic for long time anti-fatiguePure iron armature bar with excellently conductive magnetic performanceBeautiful appearance， more attractiveCome with a 8 laps manual coilCoil using the latest technology， eight high quality laps of solenoid valveStable bouncing， strong rear magneticUnwarming for long time usingBoth Liner and ShaderIts steady body and smooth vibration will make your tattooing much more professionalThis tattoo machine is a pro-quality beauty product with everything you′ll need to tattooPerfect for any tattoo artist looking for a good quality tattoo machine                                                            Specifications            Model    11DT    <br>Frame Material    Low-carbon Steel    <br>Productive Technology    Casting    <br>Recommended Use    Multi-use (Liner or Shader)    <br>Coils    2pcs 8 Laps coils    <br>Working Voltage    7-9V    <br>Starting Voltage    3V    <br>Optimum voltage    5-8V    <br>Running Speed    2500-3000 R / Minute    <br>Capacitor    47μ 50V    <br>A-Bar Material    Pure Iron    <br>Contact material    Pure copper    <br>Front Binder Material    Brass    <br>Rear Binder Material    Brass    <br>Spring Thickness    0.50mm rear spring !#!amp!*! 0.50mm front spring    <br>Color    Black    <br>Size    3.15 x 1.34 x 2.83 inch / 8 x 3.4 x 7.2cm    <br>Weight    9.95oz / 282g    <br>                                                            Package Includes            1 x MK008 8 Wrap Coils Low-Carbon Steel Liner Shader Tattoo Machine Black                                                            Extra Info            Why the machine cannot start Malfunction     Solution     <br>The spring pole does not touch the contact point of the slanting spring    Loosen the screw of spring pole; rotate down the spring pole to the contact point， and then rotate it through 180°-360°. Tighten the screw to lock the spring pole    <br>The switch is off    Connect 220V AC power supply and turn on the switch. The indicator flashes red    <br>Both of Adjustable knob (VOLTAGE) and V meter hand are in "0"    Rotate the adjustable knob clockwise slowly. Simultaneously， V meter hand is also moving. V meter hand should stop at 10V-12V    <br>The spring pole touches the contact point of front spring so tightly that the machine cannot start， which maybe even cause short circuit. Turn on the switch， the indicator flashes green (No Voltage)    Loosen the screw of spring pole; rotate up the spring pole for readjustment to the contact point， and then 180°-360° rotation. The indicator is green after it is short-circuited. Turn off the switch and then on again， the indicator will be red.    <br>Disconnect the cord from joint position owing to careless jerk during the daily working    Check the foot switch and the plug    <br>The wires are broken while washing and sterilizing the tattoo machine    Confirm the broken wires condition and have them welded    <br>Turn on the switch when short circuit happens， and the indicator turns green    Check whether the plugs of cord and foot switch are broken or not. The damaged ones could cause short circuit， which should be welded with electric iron.    <br>