Aketek 4 Sets 12Pcs Alumium Darts Shafts Dart Stem Price for 4 Set = 12pcs Medium Darts Shafts 2BA screw threadGrooved,can fit most darts 100% Brand new and High Quality Medium Size (46mm) Length Kingrich 4 Sets/12Pcs Alumium Darts Shafts high performance to price ratio