ShapesbyX 10pcs Gold Steel Loops End Cap Bracelet Necklace Cord End 4mm 5mm 6mm 10mm

Stainless Steel Cord End Cap from 2mm to 10mm Jewelry Making Tie Ends Cap for Bracelet Necklace
Stainless steel made cord end cap with a connector loop
Offer sizes from diameter 2mm to 10mm inner hole, you choose
Whatever the size you choose, it sells by 10 pieces
Use the same size cords to fit the same hole, for example 6mm cords for 6mm inner cap