I asked them a few years ago, let me check if I can find the info somewhere
Edit:
this is what I remembered Hi hi! I'm new to this but I think I might have a good idea. Aesthetic Implants? - #14 by Az_F
these are the ones I have https://www.aliexpress.com/item/33047668783.html?spm=a2g0o.order_list.order_list_main.54.21ef18025Du9f8
They work very well with they coil, I posted some pictures in that thread