New Anycubic i3 Mega Filament Sensor

I contacted Anycubic about how to purchase their new filament sensor that's on the new updated ultrabase model of the i3Mega. Turns out it's another 3d printed part like the original sensor so they just sent me the stl files. Just take the parts out of the original sensor and put them in this new one. Only problem is you need the magnet and the little metal ball connector Anycubic used to connect the two pieces. Since I didn't have those parts, I just ordered some magnets from ebay that seem