LGEGE 19Pcs Metal Hinged Binder Loose Leaf Ring Silver Tone Material: Metal; Color: Silver Tone Package : 19 x Loose Leaf Ring; Overall Size: 24 x 2mm/0.94 x 0.08 in (OD*T) Inner Diameter: 20mm/0.8in Used for loose-leaf book, memo filing, key rings, scrap booking, sample holder or other loose-leaf items.