The Homeline load center offer features Homeline circuit breakers, ground fault circuit breakers and arc fault interrupters. Homeline load centers enable the use of a full complement of accessories. Systems are single phase and are rated for indoor use or are rain proof. Homeline load centers are designed for residential and industrial use to protect electrical systems, equipment and people. This retaining kit secures one circuit breaker on the right side of the interior when used as a back fed main for 150A to 225A convertible main load centers. This HOM Homeline circuit breaker retaining kit has a height of 4.4 inches, a width of 5.07 inches and depth of 3.05 inches.