... Different specification according to your need: Product Item 55mm Lever Arch Mechanisms75mm Lever Arch Mechanisms85mm Lever Arch MechanismsSurface finishing bright,checker, satin finishing bright,checker, ... goods are stationery accessories like lever arch mechanisms, ring binders/loose leaf rings, wire/board clips, lever clips, spring/snake clips, jumbo clips, mouse clips, hole punch, hanger bars ...