Yesterday in one go five cornices with ten holders and ten tails attached in three hours. For this I had to drill 30 holes in the amount of more than three meters. First wanted to order a craftsman -'ve then but even trying. There was no problem. All rods hang bombproof - and they look extremely good: valuable, yet "slim" and not very prominent. They fit into a good old wonderfully. I was surprised at how easily and smoothly passed the Assembly. And they cost considerably less than in the big DIY stores - from large furniture store to mention: rarely as good quality at such favorable conditions acquired.