assembled custom size window screens (mill) meniacle products window screens custom built to your specifications. select your frame color and add customizations. all screen frames are standard 5/16" x 3/4" aluminum and come with external color matched corners and the hardware of your choice. hardware will be located on the width (left to right measurement, which is the top / bottom). if you need the hardware on the height, simply reverse the measurements. these are custom made to your sizes plus or minus 1/16". please be sure you check your measurements.the easiest way to measure would be from an existing or old screen of the same size... shipping may require a signature. check for damage before excepting delivery. no returns for custom orders.