This is a spreader bar used on screens in excess of 48 in., mounts across the center of the screen and prevents the sides of the screen from bowing in, keeping the screen fabric tight, with no wrinkles or sagging. Features. Used to help keep your large screen frame rigid. Used with screen clips. Constructed from 0025 gauge rolled form aluminum. Easy to install in your screen frameSpecifications. Height in. 11/16. Length in. 72. Material Aluminum. Thickness 0.025. Color White. Country of Origin United States of America. Weight 0.3 lbs