This weathering set is part of AK Interactive's growing Air Series product line. With the help of this weathering set, you can achieve realistic weathering effects on aircraft engines. The products contained in this set have been specially formulated to help you achieve maximum realism on your models. These high quality products can be thinned or dissolved with white spirit should the need arise. This set includes three colors: AK2019 Aircraft Engine Oil, AK2033 Aircraft Engine Wash, and AK2039 Kerosene Leaks and Stains.