Sturdy Strong KeyRing with Chain--- Our spllit key ring chain are made of premium metal alloy, 2.3mm thicknes for the ring, 1.5mm thickness for the chain, sturdy and strong enough to hold even 1.5 Ibs. Never bend. Well-made KeyChain Ring --- Finished with silver-toned nickel metal, these keychain rings are durable and bright sliver, even it can be used in humid environment. Polished round ring and chain provide smooth surface and edge, great workmanship. Coming with the Jumper Rings --- Each key ring chain comes with a seprerate jump ring, no need to pry the last chain apart. Convenient to attach yours charms, resin, jewelry. Easy to make your DIY or Craft project. Wide Application--- These key rings with chains are ideal for DIY, it can be widely used for home car keychains, layards, art crafts work, pendant, resin, jewelry making and so on, just as you wish.