This is a ductile iron frame, with eight wrap 24 AWG hand wound coils covered with gold prism tape, a 22 μF capacitor with 18 gauge front and back springs. This is a strong, fast running liner tuned to run at a speed of 120 CPS, at 7.0 volts with a duty of 55% loaded.  This machine is a full size liner with a lot of punch and a medium stroke good for all groupings. 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 by navigating to the Custom Build section of this site and have a custom machine built to your specifications.