I was very happy with this system, especially thanks to its powerful suction cup, until it "explodes me" in the hands, fixing the tile. Indeed the system that makes the vacuum suction cup has always been "crack" when I actionnais and there may be too pressed, the crack was final ... I have still bought one because the price is unbeatable. The latter does not crack so I hope it takes longer. I cherishes being very gentle with him ...