M10 x 1.25mm mirror stud w. RH-thread, chrome or black selectable, left and right hand side. For mirror stems with a M8 x 1.25mm tapped blind hole. E.g.301-722 /-723 /-724 /-725 /-730 /-731, 301-515 /-516 /-530 /-531 /-532 /-535 /-536 /-537 /-538, 301-440 /-441 /-442 /-445, 301-140 /-141 und 301-015 /-016 /-020 /-021 /-022 /-023