Even if the fixation screw of Aim was sufficiently tightened, there was a sense of uneasiness as to whether or not it will be lost due to vibration and so on ... but since it can be fixed firmly with this reinforcing metal fitting, it could be used with confidence.
The goods themselves are definitely good ones. Because I was hurried that it was the first item I bought, I bought it thinking that it was the whole as a reference to the image. It was a part of the image with a big misunderstanding. (It was not wanted) Although I checked the product page again, there was a notice but in the display of the personal computer I am using it was a position that I could not see unless the notice scrolls. Although I am careless, I think that there are people who order rushing like me, I hope improvements in images and notes.