Finally, attach it to a clasp or an open jump ring.
● Easy to Use: Lay the cord ends in the folding crimp ends; use a plier to press down the sides at a time to fix the cord ends tightly on the metal end tips.304 Stainless Steel Cord Ends, End Caps, Column, Electrophoresis BlackSize: about 4mm in diameter, 10mm long, hole: 1mm; 4mm inner diameter. 304 Stainless Steel Cord Ends.