A Genuine (NOS) SME Series III Traverse Spanner. This Series III Traverse Spanner is suitable for all SME SERIES III Tonearms. This has to be one of the hardest Series III accessories to find !!! With this little tool you will accurately be able to adjust the tracking adjustment gear of your Series III tonearm.Why ? Because it's an SME (NOS) part ! The correct tool for the job !