... We offer whole set of 2,3,4,5,6, and multi ring metal clips,ring mechanism O,D,Q shape Different ... arch file folder, ring clip, lever clip, wire clip, clipboard, metal clip, PVC slide binder, and other kinds of hardware stationery ... , excellent service.Different specifications are available according to customers' requirements. Metal 2 O ring mechanism witthout boosterModel No.Clip Length Ring ...