Well, I never thought........

1968 Plymouth Barracuda Parts | MF1742 | 1962-74 Mopar Dash Switch Bezel Nut Tool | Classic Industries

And if you're looking for new bezels...
1968 Plymouth Barracuda Parts | 1887603 | 1960-73 Mopar A,B,E-Body Switch Retainer Nut - Various Applications | Classic Industries