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