Tattoo Machine Back Spring - 1/2" wide (12.7mm) x .0157" thou (0.4mm)

Standard Carbon Steel back spring - 1/2" wide (12.7mm) x .0157" thou (0.4mm)  for coil tattoo machine, adjustable for standard tattoo machines.  Blue finish can be formed at the required angle. Heat-treated and tempered to withstand many hours of use. Slotted for adjustment to fit all standard tattoo machines and armature bars, Made from high carbon spring steel. Priced per 1 spring