kathy Store INC Split Ring Fishing Lure, Connectors Stainless Steel Fishing Split Rings / Split Ring Chain Connectors for Key Rings Outside Diameter: 0.218 in / 5.55 mm Inside Diameter: 0.162 in / 4.13 mm Wire Diameter Thickness : 0.029" in / 0.75 mm Material: stainless steel; Corrosion-Resistant Finish; Quantity: 50 Pack / 100 Pack select