Discs of other manufacturers from the hardware store (no Obi etc., rather suppliers for craft), the remarks also were besides still almost twice as expensive, have with me just a few sections ( A few weeks later I repeated the same action in my laundry room, this time with a Makita disc, same Flex. For good 40m² has a disc more than sufficed, a professional could get there with something safe for a few weeks. I got me an extra several orders, which has retrospectively proven to be absolutely superfluous. But quality always liked but has in stock. Perhaps the grandchildren or their children will indeed renovate again. ;)