Heart Earring cabochon stud blank settings fit 8 x 7 mm bulk x 50 pairs 8 mm bezel heart Earring cabochon stud blank heart shaped settings £15.00 Quantity: at £15.00 each Add To Basket Make your own heart shaped earring studs with a cabochon, resin or gemstone of your choice. These stainless steel earring blanks come with rubber stoppers. The setting bezel fits 8 x 7 mm so these are small studs. Overall size is 9 x 8.5 mm and the post wire is 21 gauge. The base metal is copper, lead and nickel safe, with silver plate. This is our bulk pack of 50 pairs.