Found a few places online after putting in the right search terms. Seem to range between £180-230 +VAT per pair 
. Rather expensive for what is essentially a couple of bits of stainless steel with 4 brackets. 
Found a few places online after putting in the right search terms. Seem to range between £180-230 +VAT per pair . Rather expensive for what is essentially a couple of bits of stainless steel with 4 brackets.