• High Quality Metal King Rings
• 5 different sizes in outer diameter:15mm/20mm/25mm/30mm/35mm ; 10 or 50 of each size, to meet your diversified needs.  
• Durable metal key rings: these key rings are made of iron, hard and durable, and its surface is electrophoresed, thus can prevent rust and erosion.
• Safe flat key chains: these key chains are very safe, they are flat and stay securely closed, so that keys will not slip off from the rings.
• Wide application: The round flat split ring is not only very suitable for storing your keys,but also good for connecting buckles, pendants, chain links and other accessories, such as organizing house/office keys, car keys, key tags, Dog tags, crafting items, etc., easy to carry.