String-On Clasp has a Silicone grommet inside to securely hold the cording that you can thread through it. This replaces the need to make a macrame knot on all your bracelet or necklace designs. These are made from naturally hypoallergenic brass and electroplated nickel free using the highest quality materials. We absolutely love how professional this clasps make our jewelry designs look and feel. Our String-On-Clasps are an essential finding for any jewelry designs. Also called slider beads or rubber filled beads or smart beads.
Lead-free. Nickel-free. 5.5mm x 7mm Hole size is approx. 2mm. By the each.