Brembo 4/2 pot Brake Caliper Piston Blanks (Subaru STI G3 but probably others too)

Hi There, I had a need for some blanks to sandblast/paint my brake calipers off my Subaru G3 WRX STI (im sure they will fit others). They are 38mm and 44mm OD They fit in snug but may need some help prying them out with a seal pick or similar. I just had to twist them and they pulled straight out