The key is a typical product in China construction market quality. But because you have to get used well. ME optics is complacent, he is working properly. Only the changeover spool (Lock Left / Right on the ratchet function) is konsturiert tiny and weak and breaks certainly sometime off. What has made me suspicious is that this alleged master key at the first pair of replacement spikes "Softspikes Tour Flex Foot Joy Spike" (ordered from Amazon) did not intervene. None of the three resolutions fit really. We'll see what the future holds ....
