T042BL

tensionrod black 7/32; 42mm under head
tensionrod with metal washer

All measurements without head!

7/32 tensionrods are standard for most of the American drumcompanies like Ludwig, Slingerland or Rogers and is used by most of the Japanese companies. BSW 7/32 thread is hardly the same as UNC 12/24. You get free metal washers (SM5) with every tension rod.