Prime-Line Products U 10314 Prime-Line Door Viewer, 130 Deg, 15/16 in Dia, Solid End Cap, Die Cast Housing, Glass Lens, 1 Inch, Satin Nickel Solid brass end caps with diecast threaded housing, satin Nickel finish Fits 1-1/2in. to 2-1/8in. thick wood or metal doors Glass constructed lens Large 1in. diameter Easy to install