Nipple Bar. Titanium Green Nipple Bar with Forward Facing Gem Balls. 1.6mm gauge. Available in 10mm - 16mm Bar length. Available in a choice of gem colours. For use in the Nipple Piercing. Made from high quality coloured (anodised) surgical Titanium. Supplied with two screw on forward facing gem balls. Other screw fit add-on's such as gem balls and cones can be purchased separately to be used with this Nipple Bar.