Oil is supposed to be bad for the environment, but who says you can’t wear plugs that look like inky oil drops? These unique double flare plugs feature a shiny blue surface that looks almost liquid. Each plug is slightly different, but we’ll do our best to send you a matching pair since they’re sold in pairs. Keep in mind that sizes 12G – 00G have an 8mm wearable area, sizes 1/2″ – 24mm have a 10mm wearable area, and sizes 26mm – 30mm have a 12mm wearable area. The Blue Oil Splash Glass Plugs are available in all of the following sizes: 12 gauge (2mm), 8 gauge (3.2mm), 6 gauge (4mm), 2 gauge (6mm), 0 gauge (8mm), 00 gauge (10mm), 1/2 inch (12mm), 9/16 inch (14mm), 5/8 inch (16mm), 3/4 inch (19mm), 7/8 inch (22mm), 1 inch (25mm), and 1 & 1/16 inch (28mm).