uxcell 10 Pcs Silver Tone Metal 2.2" Loose Leaf Bundle Book Rings Keyrings Product Name : Loose Leaf Ring ;Color : Silver Tone Material : Metal;Outside Diameter : 57mm/2.2" Inside Diameter : 51mm/2";Thickness : 3mm/0.1" Net Weight : 95g Package : 10 x Loose Leaf Rings