Hello,
The fitter is designed for globes that have a twist lock neck with 3 notches that lock into place when turned inside the fitter. This globe would work:
https://www.lamppostglobes.com/12-Inch-White-Acrylic-Lamp-Post-Globe-with-391-Inch-Twist-Lock-Neck_p_96.html
You can also check out some pictures of different flanges in our blog post:
https://www.lamppostglobes.com/What-are-the-different-types-of-flanges-or-necks-for-lamppost-globes_b_8.html
Thanks