2Pcs Metal Standard Letter Size 3-Ring Binder Mechanism with Booster ,3 O Rings,1 inch=25mm Capacity,20mm Base Width,Loose Leaf Binding Spines Combs for Organizers DIY Planners (Silver)
【1】The Package includes 2pcs Standard Letter size metal ring mechanism with booster( 2 clips with screws).Before you purchase the goods ,plz check the size from the picture in case of buying wrong(very important!!!),thanks.
【2】Overall length: 11 inches(Standard Letter size);
【3】Ring inner diameter : 25mm=1"
【4】Ring distance: 108mm/108mm=4.25/4.25inch
【5】2 holes distance: 270mm=10.6inch,base width: 20mm=0.8 inch