This is the key piece of the jigsaw for any modular system.
Unbeatable price, beautiful presentation, every home should have one.
In fact two would be preferable really, just like an original 55 varient.
One can hardly complain about having to buy a 962 switch, just like an original system, when it opens up to 16 -24 steps.
The jewel in the crown. Highly recommended.