I own a Blok 5-shelf hi-fi stand.
Blok's in-house customer service was A1, but the courier was epically inept - consequently fired/replaced, AFAIK.
The unit looks great - the oak/green glass combo looks cool/unobtrusive, IMHO - the wood-veneer is real tree, the glass is high-quality and, when assembled, it feels very solid/bombproof - and it's chuffing heavy.
But... be aware that assembly is definitely a 2-person job and alinging all the shelves and wooden blocks is very fiddly and very time-consuming. And feeding the treaded securing bolts through the pre-drilled holes is a major PITA.
Oh, and keep/store all of the packaging - if you move home or eBay the unit you'll need to dismantle because, as mentioned, it's chuffing heavy and cumbersome when assembled.