Humbrol Acrylic Spray Matt Shade 001 Primer Paint Model Kit, 150ml, Gray Quick Drying Craftwork & Model Acrylic Aerosol Spray Paint For both indoor and outdoor use. Suitable surfaces include plastic kits, polycarbonate, wood, glass, ceramics, metal, card, sealed plaster, hardboard, MDF and many other crafts, DIY and automotive uses. Primer Base Coat