Purchased with its sibling 6x6 and 7x7 which bother feel like the other, this Diansheng 5x5 M however doesn’t feel ideal out of the box, scratchy and slow. I’m very much a beginner at 5x5 and I’m close to sub 7 min solves, but that’s after over lubing (rookie mistake) cleaning, loosening, cleaning again, loosening more and a single drop of lube. Wish I could be looser still with stronger magnets maybe. Loosened 1&1/2 turns of each screw. Where is a Moyu RS5M when you want one, lol!