This rail is for seven-minute grooves, we want you to handle for six-minute grooves and not only 2m but 3m and 4m as commodities, so please handle it. I also want you to come out by searching on the V rail.
To a dam sacrificed by wearing down. Although the door roller is using V type, it is much lighter than the threshold of a tree + Hirado car, and durability is outstanding. It is necessary to scrape sliding doors and doors, but I think that using this is the best repair method. Even if the rails are scraped from the next time, it is enough to exchange the rails.