Pit Posse PP16702 Pro Spoke Wrench 6.0 X 6.3 Square end openings which grip the spoke nipple on all four sides Offset slotted ends make it easy and quick to use 6 mm and 6&#47;3 mm for most Japanese dirt &#38; street bikes and Harley Davidsons 6&#47;5 mm &#38; 6&#47;8 mm for most European dirtbike 5 mm &#38; 7 mm for most KTM bikesSpecifications