Those are the very same ones I have been buying, but I got mine at Makro on offer for £24.99, worth keeping and eye open for.
FYI they are much better quality than Argos shelving
I also played safe and added a cable to each cross bar to keep everything tight together.
I got some from the local Jessops shop when it closed down. The new occupiers sold them for £10 a set on gumtree.
But you can never have enough shelving in my opinion, so good suggestion.
Do makro still require membership or can anyone go there now?
got my metal shelving at a car boot in Cornwall!
Rob not sure TBH , I think you can order online and not be a member.