14g Titanium Internally Threaded Barbells fits M1.2/14g Internally Threaded Jewelry. Counter Sunk Balls are solid and one piece. Available in 7 sizes. Both ends are removable and thread off. Manufactured from High Polish Implant Grade Titanium (Ti-6AL-4V-ELI ASTM F136). Essential and classic, our titanium barbells come in a variety of lengths for the ideal fit for most piercings. Note from the manufacturer: ►We are transitioning our material to Japanese Titanium. Several of the colors/sizes have been updated already to Japanese Titanium. The Lot # & "JPN" will appear on the label which indicates that it is sourced and milled from titanium made in Japan, a DFARS compliant country for titanium. ►We have corresponding mill certificates for these Barbells