Tamiya For Plastic And Metal Fine Surface Primer Light Gray 180mL Spray Paint Can TAM87064Details A spray type primer specially developed for model priming. Can be used on metal and plastic. The fine particle of the primer ensures a smooth finish after application. After preparing the surface to be painted, a thin coat of quality primer is necessary for the paint to stick properly. A coat of primer will do 2 things: 1: Since it's a flat paint, it gives the color coats a good surface to adhere to and 2: It highlights any defects in the