I think that it is cheap because it was a set in terms of price. There seemed to be somewhat miscellaneous thing that there were things that each number was difficult to read and the engraved mark was upside down.
I bought it for the cab setting of Zephyr 750. It is 6 size set so it was good to try various settings! Since quality is also a product of Daytona, it was safe to use. The condition of my car also became perfect.