Many people write about the backlash of the armrests, as if this is a big problem, they were a little afraid for this moment, but in fact the backlash in a centimeter gives me only a relative strain, not so much that I want to unscrew them, as some commentators did. Another point, buy 10 pieces of enlarged washers for M8 screws and for small ones use the washers included in the kit, for armrests use 3 small washers from the kit for one bolt and the bolts will not protrude from the armrests. If iSee full review