Prime-Line U 9896 Door Viewer, 130 Deg, 15/16 in Diameter, Diecast/Glass Lens, Product Description This viewer features a threaded diecast housing and solid brass constructed end caps. It fits on 1-1/2 in. to 2-1/8 in. thick wood or metal doors. It has a bore size of 1 in. and also features glass lenses. From the Manufacturer This viewer features a threaded diecast housing and solid brass constructed end caps. It fits on 1-1/2 in. to 2-1/8 in. thick wood or metal doors. It has a bore size of 1 in. and also features glass lenses. Features These door viewers are designed to add an additional security measure to your home, allowing for safer visitor checks The lens in this viewer provides a 130 degree viewing area This viewer lens is constructed of glass This door viewerft.s housing is constructed of diecast and comes with solid brass end caps With only a few simple tools, this door viewer is easy to install Used on doors 1-3/4 in. to 2-3/8 in. thick USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.