The Viper Dart Flight Hole Punch Tool makes it easy to punch a perfect rectangular slot into your dart flights so they can accept a stem ring to keep flights securely on plastic or nylon shafts.

Heavy duty steel and resin flight punch
Punches a perfect slot into dart flights to accept a stem ring
Prevents flights from popping off
Compact and easy to use
Includes three sets of stem rings, a total of 9
Does not include shafts or flights