BUD Industries NBX-10988-PL ABS Plastic Internal Panel, 14-19/64" Length x 10-25/64" Width x 11/64" Thick, for NB Series NEMA Box For used with NB series NEMA Box Fits enclosure: NBB-10251, NBB-10271, NBB-22251 Easier prototyping ABS plastic with flammability rating of UL94-HB Measures 14-19/64" length by 125/64" width by 11/64" thick