16g Stainless Steel Insertion Pin Taper 1" for Jewelry with Internal Threading or Threadless Jewelry This stainless steel pin taper is used to install 16g jewelry with threadless or internal threading. It is 1.2mm at its thickest point and 0.6mm at its thinnest. Whether you are stretching from an 18g or putting 16g jewelry in your existing piercing hole, this threadless pin taper is easy to use with one simple motion. The length measures at 1" (25mm). Specifications: Material: 316L ASTM F-138 Implant Grade Stainless Steel Length: 1†(25mm) Gauge: 16g (1.2mm) Threadless pin Use for 16g internally threaded jewelry only Price per one pin taper