been looking for a piece like this for ages, thank you! Order for this when there's next some spare cash. But 2 Suggestions though:
1) Retool the opposite end to the 5mm hole so it's a Minicon peg (5mm peg with hole down the middle) Max & Metroplex would then be able to mount Minicon weapons on their fists AND the adaptors could be stacked together on the Base modes as tower blocks or similar.
2) Same piece, but make the hole at the top large enough to take the original Fort Max weapons.
I have money for both!