Alloy aftermarket fuel tank, I believe it was made for a commando, I believe it was made in the 1970's but by who I don't know, It is for a single top rail type of frame (NOT FEATHER BED) it is in very good condition and weighs about 7 pounds. The paint is very nice, Comes as shown in pictures. Please look at all the pictures. You are welcome to come and view but please arrange a time and date first.