AMMO by MIG Panel Line Wash - Solvent Based Paint for Modelling
Color: Stone Grey for Black

From the Manufacturer:

Specially designed color for panel washes on black colored surfaces. Perfect for modern submarines, locomotives, or R.A.F. night fighters & bombers of World War II. Our Panel Line Wash range is specially designed to create soft washed panel lines in aircraft, and is also perfect for other vehicles where we want to obtain subtle effects such as science fiction subjects, ships and trains.