BUD Industries NBX-32914 Steel Internal Panel, 6-7/8" Length x 6-7/8" Width x 3/64" Thick, Natural, for NBF Series Boxes Designed to fit NBF series enclosures Fits enclosure: NBF-32014, NBF-32114, NBF-32214, NBF-32314, NBF-32414 16 GA galvanized steel construction Assembles to mounting bosses inside the enclosure Measures 6-7/8" length by 6-7/8" width by 3/64" thick