Skip stacked opal cluster titanium top - threaded images slider SKU: Stacked Opal Cluster Titanium Top - Threaded Sign-up to see price This threaded cluster top features 3mm and 4mm bezel-set opals. Product Details: Material: Titanium 6AI-4V-Eli ASTM F-136 Gauge: 14g-12g Dimensions:6mm x 5mm (L x W) Available colors: Dark Lapis and White Opal 13 Anodized color options