Datadart Darts Acessories - Pocket Size Flight Punch - White. Create your own slot-lock flights with this handy pocket size Flight Punch. Simply punch the hole in your flights and slip a ring or spring into the hole and attach the flight to your nylon stems. Helps to keep a tighter grip on the stems and also helps to stop losing those springs and rings. Finish: White powder coated hardened steel with black Datadart branding;. Effective spring action;. Self aligning location for flight