NEW ThreadNanny CZECH Quality 3mm/10ss 10gross (1440pcs) HotFix Rhinestones Crystals BLACK DIAMOND Color 10 Gross (1440 Stones Total) Size 10ss (3mm) Extra Sparkle Black Diamond Color Czech Quality Precision cut multi-faceted - flatback HOTFIX Glue on bottom makes them easier to attached 3mm Size (10ss). Other sizes available too, please check our other Amazon Listings.