50 Silver Tone Swivel Key Ring Keychain Connectors 19 x 9mm (3/4 x 3/8 Inch) 50 Silver Tone Swivel Key Ring Connectors Measures 19 x 9mm (3/4 x 3/8 Inch) Key Ring Connectors Keep Key Rings Untangled Swivels Easily and Made of Durable Construction Zinc Metal Alloy - Cadmium Free