Barista Key
The Motta Barista key is a multi purpose useful tool. The key can adjust the Motta Thermometers as it fits the nut on their back.
You can also use it as a bottle opener, the slot works very well.
There are a lot of different sizes of slots, most propably one of them will fit your machines steam want tip.
You won't find a slot that fit's the 8mm diameter steam tips.
You can't use the key to remove filter baskets, the flattened end is not thin enough.