They work but Squier is metric split shaft. Smaller than fender USA shafts. You need to jam some material into the split in the shaft so when you tighten the set screws on the USA knobs, the shaft doesn't break a tang off.
You cN also line the set screw up with the split so it goes in the slot.
'73-4 Ampeg V4B, Ampeg PF350,PF115HE, PF115LF, 115 Traynor, 1962 Fender Jazz, 75 Gibson G3, '10 Squier VM Jazz, Squier CV 60's P Sonic, Squier CV 50's P blonde, Epiphone Thunderbird IV