BUD Industries NBX-32926 Steel Internal Panel, 14-1/4" Length x 10-27/64" Width x 3/64" Thick, Natural, for NBF Series Boxes Designed to fit NBF series enclosures Fits enclosure: NBF-32026, NBF-32126, NBF-32226, NBF-32326, NBF-32426 16 GA galvanized steel construction Assembles to mounting bosses inside the enclosure Measures 14-1/4" length by 10-27/64" width by 3/64" thick