40pc Black Metal Clam Shells

These Black Metal Clam Shells offer a professional quality solution to conceal the knots at the ends of beaded strands and also to connect these ends to your clasp. The clam style cup, also known as a callotte, fits over the knot or the crimp tube of your cording or wire and can be closed with pliers. Once closed, the bead tip resembles a bead with a loop at the top, which can then be connected to the rest of your design!