Not sure of make it suits however it's an accessory grill guard, profile of cutout will determine what bar it suits. Waiting for the experts to ID it, 1950's ish
Uses a captive bolt that most likely doubles as a bumper bolt. I had something similar on a chevy AD pickup.
49-50 Chevy car accessory "overriders", the 3 piece one goes on the front, the long one goes on top of the rear bumper guards.