This is a set of 29 mm and 45.5 mm tracks. Please use it according to the application. Line Track 33 mm S 33: Adjustment line of the same length as the double track distance of the uni-track. Ideal for adjusting the distance between multiple lines. Straight Track 38 mm S 38: Adjustment line which is particularly compatible with UniTrak compact. It is also possible to create a figure 8 layout combining the crossing line 90 °. KATO is a Japanese company that plans, manufactures and sells railroad models. It is one of the leading manufacturers to sell railroad model. KATO sticks to its own production and develops many models not only in Japan but also overseas. Various technological developments are being made to make models that are more realistic, and they are highly appreciated from overseas. The feature of KATO's N gauge is that they are cheaper compared to other manufacturers selling railroad models and that parts can be easily obtained and it is possible to repair by yourself even when repair is necessary. Moreover, since the running performance is also good and after-sales service of the maker and customization service are enriched, it is easy to handle for beginners who purchase N gauge for the first time. Compared to the past, vehicles with real parts installed as standard are also substantial, and despite being affordable and inexpensive, the details are solid. The model of KATO has a feature that it is easier to collect because there are many models that are made with commitment even compared with products of other companies.