This product is made entirely metallic and it is sturdy.
The content quantity is one, but the price is one price and two boxes are entering.
Since it is necessary to install it on both sides of the door when installing it in the door, it will be in 2 pieces.
Anyway, it was a very good product.
Any hardware store in the city could get it although it was a product that was said to be "impossible to obtain anymore". As might be expected. The color was gray but no problem. The image "misunderstanding as entering two boxes of one box" in the review became benefit.
The hanging door rail itself of the rented house was distorted and purchased as a repair as the Pola car door broke. There are somewhat derricks because the rail is distorted, but you can use it without worry of cracking if it is steel. Before removing the original door roller, we replaced the hanging door with a panta jack and replaced it with wood screws according to the rail. Around the door roller The thing is a little bit more grave than the polka, but it is quite effective for damaging the polycar door roller under conditions where it is difficult to completely replace the rail itself, such as a rented house or a shared warehouse.