Features:

      ---  The open frame is consistent with the L series, the shape of the nozzle changes, and the tail becomes larger due to process changes.

      ---  For high temperature materials

      ---  Excellent quality

      ---  The heating wire is embedded in the body and the solder powder is welded, but the shape of the heating wire is different due to process changes.

      ---  Outgoing end is different because of process changes

      ---  Change in the way the temperature line appears