BUD Industries NBX-10985 Steel Internal Panel, 9-57/64" Length x 6-19/64" Width x 3/64" Thick, for NEMA Box Used to mount customer equipment inside enclosures Fits enclosure: NBB-10243,10263,NBD-10442,10462 NBE-10543,10563 Assembles to mounting bosses on inside of enclosure 16-Gauge galvanized steel Measures 9-57/64" length by 6-19/64" width by 3/64" thick