Body Piercing Jewelry Pack of Six Replacement Spikes 14g-3mm- Steel Spikes-Externally Threaded Replacement Spike Ends Packs of Externally Threaded Replacement Ends for Body Piercing Barbells. EACH STYLE HAS A DIFFERENT AMOUNT IN THE PACK. PLEASE READ CAREFULLY BEFORE ORDERING. Choose From Packs of Replacement End Balls or Spikes in Plain Steel or Black Steel. The 16 gauge replacement balls will fit most 16 gauge or 18 gauge externally threaded barbells and the 14 gauge will fit 12 gauge or 10 gauge barbells with 14 gauge threads. Piercing Jewelry-Body Jewellery Bars and Hoops for Women, Men and Teens See our entire collection of replacement parts for body jewelry These can be returned if sealed package is opened as long as full set is returned together These replacement end balls will fit most body piercing jewelry including labret studs, industrial barbells, straight barbells, spiral barbells, circular barbells or curved barbells, however, we can only guarantee that these end balls will fit barbells purchased from BodySparkle.