This professional liner tattoo machine from Afterlife Custom Irons features precision-wound coils with heat-resistant, resin coil-washers, and heavy-duty, carbon-steel hex screws with composite insulators. Machine Weight: 8.8 ounces; Frame construction: Foundry produced carbon steel; Color: Black; Build: Hand assembled; Coils: Dual (2) Ten-wrap Coils; Coil Size: 3/4" OD (outside diameter) x 1" tall; Core Diameter: 11/32 inch; Coil Resistance: Not Measured; Capacitor: 47 uf / 43 volt; Front Binder: Premium Steel; Rear Binder: Premium Steel; Springs: 0.50mm rear spring & 0.50mm front spring; Armature Bar: Alloy Steel; Machine Operating Speed: 44 Hz (hertz); Working Voltage: 5 - 8 volts; Optimum Voltage: 7 volts
