Easy Touch LuerLock, Uni-Slip, or Sheathlock Barrels come in boxes of 50 count or 100 count syringe barrels individually sealed (depending on the barrel size). These barrels are safe and easy to use. Needles are sold separately, these are only the LuerLock, Uni-Slip, and Sheathlock Barrel. Easy Touch LuerLock, Uni-Slip, or Sheathlock Barrels are designed for the best quality levels. These barrels are clear for a well-defined marking. Make sure to pick your barrel connection, choose from either LuerLock, Uni-Slip, or Sheathlock.