Sterling Silver Oxidized #1 Grandma Heart Dangle Bead Charm Oxidized Sterling Silver Antique Style Silver Bead Hole Size: Approximately 5 Millimeters Compatible with the majority of brands of European bead bracelets and necklaces. Approximately 28 mm x 18 mm (1.1 inch x 0.71 inch) Bead charm weighs approximately 4.1 grams.