Bulls Flight Punch. Create your own slot-lock flights with this handy pocket size Flight Punch. Simply punch the hole in your flights and slip the ring or springs 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;. Effective spring action;. Self aligning location for flight;. Designed for use with Nylon shafts with locking springs or rings.