Markal Paint-Riter® Valve Action Paint Marker – Black The Markal Paint-Riter® Valve Action Paint Marker in black offers strong contrast on light surfaces for clear, legible marking. Its rugged design and fast-drying paint make it ideal for demanding jobsite conditions. Key Features • Black paint for clear contrast on light surfaces • Fast-drying, permanent paint for durability • Xylene-free formula for safer operation • Metal barrel construction for field reliability • Suitable for a wide range of surfaces