Used to remove internal rod guide on Showa BPF 41 and 43 mm forks The actual size of the tools hex is 33mm and 35mm Black oxide finish 43mm side replaces Honda OEM tool 070MB-MGPA100, Kawasaki OEM tool 57001-1758 and Suzuki OEM tool 09940-84710 41mm side replaces Honda OEM tool 070MB-MCJ0100, Kawasaki OEM tool 57001-1742 and Suzuki OEM tool 09940-84711