Classic 16 Gram Soft Tip Darts - Extra Flights and Shafts #4 Neutrally balanced with a medium knurled (rough) and scalloped body. Fitted with nylon shafts which are the choice of most professional players. The shafts 'release' the flight of an incoming dart when it hits an obstacle already on the board. We have added an extra sets of shafts, three sets of hard poly flights and 20 replacement tips. Uses 2BA (3/16th inch) tips and shafts. ** Check our Amazon Seller ID - US DARTS - to access over 2500 dart related items **