In general, the set is not bad, they gave it to others, the set is already 4-5 years old. use is infrequent, but constant. So far, nothing has broken. On the official website, you can buy the lost one (all codes for the order are indicated).
With a little ratchet questions, let's see how their warranty or service works, whether it will be possible to replace it, since it is not possible to work like this, it does not hold.