Originally Posted by concours
as a side note.... the Flank Drive PLUS combo wrench has nice teeth in the open end. While they may resist rounding off a bit, they tear up fasteners, and I have to be carefull to NOT use them on any motorcycle, let alone my beloved vintage. I would never buy them again.
flank drive plus is just another flavor ... needed on certain applications too tight to allow box end. open end only, where flank drive plus keeps nut from slipping.
I've got both ...