Zinssers bulls eye 1 2 3 is a universal interior and exterior water based primer sealer it offers low odour application quick drying convenience and excellent adhesion to glossy surfaces bulls eye 1 2 3 effectively primes and seals a wide variety of interior and exterior surfaces a bond coat primer thats great for hard to stick surfaces it offers excellent adhesion without sanding bulls eye 1 2 3 also prevents rust formation when applied over clean ferrous metal such as iron and steel it i