Prime-Line Plastic Retainer Clips for 3/8 in. and 7/16 in. Screen Frames (Set of 4)

Designed to secure 3/8 inch or 7/16 inch screen frames into siding aluminum window channels. Constructed from black extruded vinyl for use on exterior area of the windows. Easy to slip these over your window frames and onto the window fin to keep them secure in your window channel. no fasteners are required for installation.