uxcell Book Office Loose Leaf Binder Hinge Snap Ring Keyring 32mm Dia 20pcs Net Weight: 79g; Product Name: Loose Leaf Ring Package Content: 20 x Loose Leaf Rings Overall Size: 37x32x3mm/1.5" x 1.3" x 0.12"(OD*Inner Dia.*T) Material: Metal Color: Silver Tone