Hammerite Metal Paint - Black- 2.5 LitreSuitability Suitable for use on a wide range of exterior metal including gates, railings, drainpipes, guttering & garden furniture Long Lasting Protection Forms a superior barrier that not only seals out moisture, but also gives long lasting protection, both inside & outside for up to 8 years Direct Application Thanks to the special 3 in 1 formula there is no need to use a primer or undercoat, simply apply straight onto affected rusty surfaces