Pandahall 420pcs/box 6 Color Iron Fold Over Crimp Cord Ends Terminators Clamp End Tips with Loop for 3mm Thick Leather Silk Ribbon Jewelry Findings 6x3mm IFIN-X0016-B Cord End Ribbon Ending Clasp Tips End Clamp Jewelry Connector Components Color: Mixed 6 Color(Antique Bronze, Gunmetal, Golden, Platinum, Red Copper, Silver) Size: about 6mm long, 3mm wide, 2.3mm thick, hole: 1.2mm; about 420pcs/box. These tiny crimp beads are perfect for fine chains with tiny links, no link, thin cords, threads and etc. First insert the end of the chain / cord onto the U-shaped tube and gently press down with jeweler's pliers. You can also use glue for extra security.