... alloy Color:CP, Gold plated, Satin nickel etc. Viewe angle:180 degree Door thickness:40-70mm Door viewer Product details: Name:Door ... :Zinc alloyColor:CP, Gold plated, Satin nickel etc.Viewing angle:180 degreesDoor thickness:47-70mmUsage:DoorWebsite:www.shgerbon.comBrandGerbon Advantages for ... slide, standard slide, handle, caster, lock, and other furniture fittings 180 degree ZINC ALLOY Door Viewer