These cool 14 gauge externally threaded 316lvm Surgical Steel Barbells for Industrial piercings are 1 3/8″ (35MM) long. The Black Gold & barbells are PVD coated to give it a rich color. The Blue barbells are electro coated. Safe to wear in new and well healed piercings. In tow lengths 1 3/8″ (335mm) & 1 1/2″ (38mm) Autoclave sterilized for your safety.