SCT 2"-24tpi Schmidt thread male to male adapter. 0.385" total thickness, 
0.10" center shoulder, 1.83" Internal diameter, internally threaded for light 

baffle only.  Black Anodized 6061 aluminum. 

This has the same male threads as found on the visual back of almost all 

SCT telescopes.  Couples two female SCT threaded items together.  Not a 

common application, but customers asked for them so we make them!

Listing for  one #SCMM  adapter.  Price includes USPS shipping in the USA!