... set of 2,3,4,5,6, and multi ring metal clips,ring mechanism O,D,Q shape Different specifications are available ... file binder, lever arch file folder, ring clip, lever clip, wire clip, clipboard, metal clip, PVC slide binder, and other ... according to customers' requirements. Metal 2 O ring mechanism witthout boosterModel No.Clip Length Ring spacingPaper capacity Ring outside diameter Clip height Corn ...