Metal Loose Leaf Rings Binder Keyrings, 3.5-inch, 7 Pcs Product Name : Loose Leaf Ring;Color : Silver Tone Material : Metal;Outside Diameter : 88mm/ 3.5" Inside Diameter : 80mm/ 3.1";Thickness : 4mm/ 0.16" Net Weight : 186g Package : 7 x Loose Leaf Rings