This Delfin Dome Cover has a hinged design with an end cut. It is for use with model Z-DRC-1210ESS-1-100. It is a 12" x 10" x 5.5" size. End cut Hinged design For use with Z-DRC-1210ESS-1-00 Length: 12" Width: 10" Height: 5.5" Model #: Z-DRC-1210ESS1-00