10 x Fixer beads in Sterling Silver plated with vertical holes (8x7mm)

This is a pack of 10 glass- fixer beads plated with Sterling Silver. They are a slightly curved tile measuring about 8mm x 7mm in size and have a groove on one side which is used to capture a cabochon or rivoli. They have two holes which are vertically placed.The number for these beads is 00030/31000.