Feature●3 Sets (9 flights) HD150 Micron BLACK Pentathlon Standard Dart Flights●150 Micron - Thicker, super tough●Long Lasting●Better in-flight performance from this stiffer flight●Ideal for steel tip dartsDescription Pentathlon BLACK HD150 Standard Shape Dart Flights - 3 Sets (9 Flights) - 150 Micron - Longer Life. Ideal for Steel Tip Darts.