Skip straight titanium barbell - threadless images slider SKU: Straight Titanium Barbell - Threadless Sign-up to see price Tilum's threadless titanium barbells are made from implant-grade titanium. They are available in 14g, 16g or 18g, and in a variety of length options. Product Details: Material: Titanium 6Al-4V-Eli ASTM F-136 Gauge: 14g (~1.6mm) Length Options: 10mm (~3/8")-42mm Threadless style 13 anodized color options