The cover of the telephone line and the power hole which I used before on the floor was old, and it protruded by about 10 mm, so I bought it as much as possible to block the difference.
It was a floor hole of φ80, so we used it in two piles, but it is not a problem with the degree of stepping on by people, but it was dented in the casters of the chair. It is severe to balance thinness and strength, but it looks better.
Kobase Kaze mouth door lever Used to close the lever hole. Although there was some irregularity with paint, it was able to paste with the adhesive power of the middle. It's so thin that you can not put things on top.