These sparkle just like Swarovski and have the weight of Swarovski, however I do not know if they are or if they are CzechSIZE: 12x10mm and 10x8mm You chooseSHAPE: see picsTYPE: These have a 3 Ring Loop for extra security and are non Magnetic silver the bottom has a silver ball not a nail headDangles Great for Charm Bracelets earrings, necklaces craftsCOLOR: You ChooseMETAL: Silver Over Brass as THESE DO NOT STICK TO A MAGNETCOUNTRY: Strongly believe to be Austria made swarovski beads as I got these from a warehouse who mainly sold High end Rhinestones such as Swarovski and czech beads and rhinestones preciosa czech so you be the judgePIECES: 12 Pc 1 Full Dozen 2 Doz Or 1/4 GrossCONDITION: Old Stock never usedBUY AS MANY ITEMS AS YOU LIKE IN MY STORE AND SHIPPING WILL NEVER GO UP ON MOST ITEMS LISTED Excluding poundage lotsBE SURE ALL IS ON 1 INVOICE BEFORE YOU PAY OR REQUEST A TOTAL SO USE A COMPUTER TO ADD TO CART THEN CHECK OUTAS SOME CELL PHONES DO NOT ALLOW YOU TO COMBINE