Belwith has lead the decorative hardware industry in design, craftsmanship and innovation since 1893. They have been bringing the very best decorative and functional hardware products to your home, with the highest quality. 190 degree Brass Wide Angle Door Viewer. Ground glass, solid brass housing, with plastic lenses. Fits 1-3/8" to 2-1/8" doors. Easy to install in 1/2 in. hole.