Although it is not original use, put it in a long shackle and use it as a small lightweight pulley. The type with the inside diameter of 6 mm is exactly good for the track rope of 9 mm, practical strength is sufficient and it turns very smoothly.
Originally I wanted a wide type of U-groove, but it was either expensive or difficult to obtain, so I bought this cheap, but there was not any problem in practical use.
In order to revive the crawler truck which was not used for a long time and was considerably sore, we exchanged bad parts and used it as a clutch tension pulley. The price is also cheap enough. I also used it for other agricultural machinery, I bought repeat.
It was used as a tension pulley for agricultural machinery. It is stronger making than I thought, the sound is quiet and lightly turning. The price was reasonable, I think that I was glad I could buy it.