PartsPart number11-103505Dimensions24"W x 6"D x 1-3/8"TPart number11-103506Dimensions24"W x 12"D x 1-3/8"TPart number11-103507Dimensions24"W x 15"D x 1-3/8"TPart number11-103508Dimensions48"W x 6"D x 1-3/8"TPart number11-103509Dimensions48"W x 12"D x 1-3/8"TPart number11-103510Dimensions48"W x 15"D x 1-3/8"T