Iron jump rings, Cadmium Free & Nickel Free, Double loop, in Gunmetal.Dimension: 4mm in diameter, 1.4mm thick; about 3.3mm inner diameter. â Reliable & Useful: The split rings can close very tightly with double pressed together loops, not worried that your that jewelries or keys staying in the jump rings will be slipping off accidentally, perfect findings for jewelry making. â Versatile: These split rings are available in jewelry making and jewelry repairing, especially for necklace and bracelets, also fit for orgainzing various keys, tags, hang cards or connecting beads, charms, ornaments or other DIY arts. â How to Use: You can open the double loop jump rings with a split ring plier with ease, and add beads, clasp, charms or other ornaments to your jump rings.
