Product Details Hypoallergenic jewelry for sensitive skin14 Gauge 1/2 ASTM F-136 Titanium Threadless Replacement Barbell Cover your basics with quality and endless style options when you're rocking this 14 gauge replacement barbell. It is made with a 12mm durable ASTM F-136 implant grade titanium straight barbell. It features a threadless design, making insertion and removal a breeze. The threadless design also allows you to easily change the ends, making for a virtually infinite number of style options. This barbell does not come with ends. Start your look from the ground up with this threadless straight barbell.Specifications14 Gauge (1.6mm), 1/2" (12mm), Threadless, Implant Grade Titanium 6AL-4VELI ASTM F-136, Push In Barbell Pin