Metal Rings: Smooth Welded O Rings Welded Rings for Camping Straps, Dog Leashes, Luggage Accessories.Well made: stainless steel material, simple structure, high hardness, effectively prevent deformation, durable.MULTI PURPOSE: Can be used for keychain rings, boat accessories, hammock yoga rings, jewelry, wallet rings, tote straps, snap hook keyrings.Easy to use: The heavy metal handicraft buckle is simple, convenient and fast to operate.PERFECT GIFT: The perfect gift for arts and crafts DIY lovers. Specification: Color: silverMaterial: stainless steelSize(LxH): Approx.5x30mm/0.20x1.18inch5x40mm/0.20x1.57inch5x50mm/0.20x1.97inch5x60mm/0.20x2.36inch6x40mm/0.24x1.57inch6x50mm/0.24x1.97inch6x60mm/0.24x2.36inch6x30mm/0.24x1.18inch Package Includes: 10 PiecesWelded Round Rings Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping!