Zamak slider for 13mm flat leather cord or two strands of 6mm cord.
It can work with 10mm leather cord too, but if its thicker than 2mm.
This listing is for only slider (bracelet on picture is only for reference).
Size: 24mm x 23mm
Hole: 13mm x 2.3mm
Color: antique silver + turquoise resin cabochon
Metal: zamak
Origin: Europe
