Maquinas Perforadoras de Plumas Viper Hole Punch Tool for drilling GLD Products 37-0103 €13.10 The Viper Flight Punch tool makes it easy to drill a perfect rectangular slot into your dart feathers so that you can accept a ring to hold the feather securely on plastic or nylon rods. . . . Resin and high-strength steel pen punch. Drill a perfect slot in the dart feathers to accept a ring. Add to cart