Welcome to the FOG !
The folding rules were done in two versions. One in metric only , and one in imperial/metric combination. The combo rule was a limited time offer in the US. It has been a while but there might still be a few dealers that have some.
I am fairly certain that none of the knives were ever sold in the US. The utility knife (safety cutter knife) has a blade that only stays open while pressure is being applied to the thumb slide. Otherwise it automatically retracts. It is kind of funky to use.
The snap off blade knife is a nice one.
Ratchet set ..... NAINA
The Centrotec screwdriver handle is available in the US.
Tape measure was available in the US. It is kind of so so.
I saw a multi-tool on Ebay once, but I am not sure if it was an official Festool item
Seth