Uxcell Metal Hinged Binder Loose Leaf Ring 20mm Inner Diameter, 30 Pieces, Silver Tone (a15121800ux0424) Net Weight: 66g; Product Name: Loose Leaf Ring Package Content: 30 x Loose Leaf Ring; Overall Size: 24 x 2mm/0.94" x 0.08"(OD*T) Material: Metal; Color: Silver Tone Battery Included: NO Inner Diameter: 20mm/0.8"