These classic black shiny plugs are just what you may have been looking for in the natural aisle. Made of hematite stone, these single flare plugs are both versatile and comfortable. Moreover, the plugs are sold in pairs and come with two clear “O” rings for securing them. Due to the nature of the material they’re made of, each plug is a little different, but we’ll do our best to provide you with a matching set. These solid black single flares are available in any of the following sizes: 8 gauge (3mm), 6 gauge (4mm), 4 gauge (5mm), 2 gauge (6mm), 0 gauge (8mm), 00 gauge (10mm), 7/16" inch (11mm), 1/2 inch (12mm), 9/16 inch (14mm), and 5/8 inch (16mm).