Stops the annoying and the wasteful habit some horses have of slinging their grain out of the feeder and onto the floor! The center opening is 5 3/4" wide. The steel bars are welded in place onto the heavy steel frame. Each Feed Saver Lid comes with 2 hold down brackets to attach to the feeder mounting hardware, but allows for easy cleaning. Designed to fit our cast aluminum corner feeders only. CM34L$19.00 CMI products toll free order and help line 1-800-335-1880. OHIO RESIDENTS will be charged Ohio Sales Tax unless we have a OHIO SALES TAX EXEMPTION FORM on file. The form is available at the link on the left side of this page.