2" Compression Ring For Crayford Drawtube

I recently replaced my 1.25" R&P with a single speed 2" Crayford from Orion. It works well but employs two set screws to hold the 2" to 1.25" adaptor as well as 2" eyepieces. I have already replaced the adaptor with a compression ring type and would like to do likewise with the part that holds the set screws at the end of the draw tube. This piece is threaded and is easily removed from the drawtube. Does anyone know of a replacement part for this piece with a compression ring?

Try the Mercury Systems compression ring adapter. It screws onto Synta 2" drawtubes and gives you a 2" compression ring