These universal screen clips are constructed of plastic and come gray in color. Each clip has an overall reach of 3/4 in., and the height is adjustable from a flush fit, up to 7/16 in. when using the stackable rings of 2 different heights included with each set. These adjustable-height screen clips are used to secure window screens where there are uneven surfaces, and/or when the user is unsure of the correct height to use. This item includes two 1/16 in. thick rings and four 1/8 in. thick rings per clip, and each package contains 4 clips per package. Installation fasteners are included with each package.