HOj Scale HO Gauge World Craft JNR Class B20 #2 Steam Locomotive Assembled. This product is a pre-painted and completed model. Please note that this product is 1:80 scale and 16.5mm gauge (HO Gauge). The JNR Class B20 is a small tank-type steam locomotive, built in small numbers from the end of World War II to just after the war, primarily for switching operations. Although the postwar demand for this locomotive was quite low, it is still popular among modelers and is often modeled. The locomotive body is very small among the locomotives with JNR type number. We do not mark merchandise values below value or mark items as “gifts” – Japan, US and International government regulations prohibit such behavior. About Importer’s Obligation. Thank you for your understanding.