... :6mm-51mm avaliable 21rings,84rings and other Notebook for PVC Plastic Binding Ring CombApplication:It is suitable for professional ... documents, all of your presentations, proposals, reports, manuals binding.Material: PVCSize: 6mm,8mm,10mm,12mm,14mm,16mm,18mm, ... 76rings, 84rings, etc.Regular specification for 21 Rings Plastic Binding Comb: SizeInchPcs/BoxPcs/CartonCBM/CartonG.W/CartonN.W/Carton6mm1/4 ...