Luoyi Thai Sterling Silver Jewelry Lovers, Couple Pendants/ Dangles, Lock and Key (G024Z) (A) Material: Thai sterling silver A: Lock size: 11mm high, 8mm wide, 3mm thick. Key size: 20mm high, 5mm wide, 2mm thick. About 1.9g/pc. Priced per 2 pc. B: Lock size: 18mm high, 11mm wide, 1mm thick. Key size: 22mm high, 7mm wide, 1mm thick. About 1.48g/pc. Priced per 2 pc. C: Lock size: 16mm high, 7mm wide, 1mm thick. Key size: 19mm high, 6mm wide, 1mm thick. About 0.9g/pc. Priced per 3 pc.