Wattyl Killrust Super Etch Primer Grey 500ml Grey SKU: 360259 MODEL: 823917.500 Error. try again later You've successfully joined the club $ 32 .98 each Mitre 10 SAvailable at selected stores. Check your local store for details Variants A fast drying, high performance, single pack epoxy primer that is designed for priming of all bare metal substrates. Features and benefits Suitable for interior and exterior use, however must be overcoated. Promotes excellent adhesion and provides an anti-corrosive surface for overcoating.