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, and choose from either LuerLock, Uni-Slip, or Sheathlock.