HooAMI Stainless Steel Silver Screw Clasp for Necklaces and Bracelets Jewelry Making 2pcs - Fit 1mm Cord High quality stainless steel,no fading, nondeformable,allergy free Length:12mm( 4/8");Outside diameter:4.7mm( 1/8");Hole Size:1mm High polishing,looks nice,shiny and beautiful,this clasps keep your bracelet looking brilliant These clasps are built-in safety screw lock which are well made and highly durable,easy to screw together These screw clasps are perfect for your homemade jewelry or repairing your existing jewelry or making necklaces, anklets, charm bracelets or any other DIY project