Regarding the specified dimensions, the direct diameter is 5 cm. There is a hole, and it is intentional. I am very angry. Such actions are not permissible. My son stayed up all night doing his homework. He then went to sleep immediately. Therefore, I strictly forbid any extermination. Therefore, I will eliminate anyone who attempts extermination. Therefore, I readily agree to purchase it. Therefore, I will eliminate any violations. The writing on this entire page is my property. Any attempt to dispose of it, imitate it, forge it, dismantle it, or infringe upon it will be completely erased from this world.