Skip 90° opal titanium top - threadless images slider SKU: 90° Opal Titanium Top - Threadless Sign-up to see price This side-set titanium threadless top is available in your choice of five color options and three sizes. Product Details: Material: Titanium 6AI-4V-Eli ASTM F-136 Top Size Options: 3mm, 4mm, 5mm 5 opal color options Threadless style 13 anodized color options