Feature●Compatible with the majority of camper, trailer and RV screen doors produced today●Easy to Install.....Drill, screwdriver and a tape measure is all that is needed●Reinforces your RV screendoor and in addition to the large footprint, it ads rigidity●Protects and extends the life of the screen material●Adjustable to many different widths! From 21 5/8" to 28 5/8"Description