Uxcell Staple Book Binder Loose Leaf Rings Key Ring 0.94-Inch OD, 20 Pieces Product Name : Loose Leaf Ring; Material : Metal Color : Silver Tone; Outside Dia.(Approx.) : 24mm/ 0.94" Inside Dia.(Approx.) : 20mm/ 0.79";Thickness(Approx.) : 2mm/ 0.08" Net Weight : 48g Package Content : 20 x Loose Leaf Ring