These DOT legal aluminum fuel tanks are designed for transferring diesel fuel, gasoline, or aviation fuel from the bed of a pickup truck to remote or heavy equipment. Aluminum tanks do not rust which protects fuel from contamination. This tank can also be used as an auxiliary unit for additional capacity for a factory tank with the use of an RDS diesel install kit. Tank has a lockable gas cap, 2 baffles, reinforced 2" FPT coupling on top for mounting a transfer pump, 2" fuel fill neck and 3/8" FPT drain plug. This smooth mill finished tank will have some scratch marks, which is normal and unavoidable with this finish type. Mill finish is designed for industrial purposes more than cosmetics. It will show scratches, but will still function as designed. Made in U.S.A.RDS diesel install kits also available for diesel gravity feed sku 243102099, 243102299 and 243102199