West Coast Jewelry Flat Top Disc Gem 316L Surgical Steel Cartilage Barbell (Sold Ind.) This listing is for ONE item 16 GA - 1/4" Long - 4mm Ball - Black Due to hygienic reasons all body jewelry sales are final Arrives ready for gifting. Free gift packaging included. Shop with confidence. West Coast Jewelry has been a trusted seller for over 10 years and is dedicated to excellent customer service. Your satisfaction is 100% guaranteed.