sanfeng Soft Tip Darts Set 18/20 Grams W/O-Rings- Green/Purple/Red Aluminum Shafts + 6 Standard Flights + 3 White Frosted White Shafts + 15 Soft Tips + Portable Case&nbsp;for Electronic Dart Board Knurled design barrel 20g provide great grip & more control which leading to fly straight, hit the bull's eye accuracy; Beautiful carving aluminum shafts with locking hole prevents becoming loosening when throwing darts, aslo it is sturdy than plastic rods, not easy to bend; 230 micron flights & perfect shaft slot, Durable long life thickness flights keep good balance to advance increase speed and reduce drag, delivering a consistent flight path and pinpoint accuracy; each shaft pass through strict quality inspection, you don't need worry about aluminum Shafts Without slot; Universal 2BA thread for easy changing shafts for fun; Easy to carry on with this little cute mini case;