ITEM NAME:200x 5sizes Stainless Steel Round Split Rings Small Double Ring Jewelry MakinJ&M.Ring profile reduced,improve lure performance by not interfering with hooks. So my ring is stronger. (1) Material: stainless steel. (3) Quantity: 200pcs per box(40pcs rings of each size). (4)Plastic box size: 8.2x6x1.5cm or 3-1/2" x 2-3/8" x 5/8".