A brazed brass plated steel frame, with eight wrap 24 AWG hand wound coils with gold prism tape, a 22 μF capacitor and custom cut springs. This is a versatile full size outliner tuned to run at a speed of 100 CPS, at 7.0 volts and still maintain plenty of throw with a good amount of force. Good for running seven liner groupings and smaller. If you are looking for a machine similar to this one, but have different set up and tuning specifications, you can place a custom order and have one built for your particular needs.