Brand New - Pair of Holy Skeleton Ear Plugs - Screw-On Acrylic. High Quality, Durable! 10 Sizes to Choose from! Hand Assembled, Quick Shipping! 2 Gauge (6mm) 0 Gauge (8mm) 00 Gauge (10mm) 1/2" (12mm) 9/16" (14mm) 5/8" (16mm) 11/16" (18mm) 13/16" (20mm) 7/8" (22mm) 1" (25mm)