Aluprofil Nut GM Body Fender Factory Correct #10-24 Screw Bolt U Clip Panel J Auto Clips Neu, Vintage Part: Yes, Type: Fender, Manufacturer Part Number: 01 These U nuts have a #10-24 screw size with a panel thickness range of. 045mm -. 062mm thick, and the center of the threaded hole to the edge of the U nut length is 9/16. You will get exactly what is pictured