Do you have an old mk3 or earlier raven satellite dish fitted by sky then you can use this legacy adapter to convert a new mk4 lnb to fit your old dish this adapter is suitable for a new mk4 lnb only allowing you to use it with a mk3 and earlier raven satellite dish these are genuine mti branded adapters compatible with a zinwell branded lnb this lnb bracket is a useful device which allows the fitting of a mk4 zinwell lnb to be fitted to a mk3 or earlier raven satelltie dish either 45cm or