Frank,
http://www.mcmaster.com/
has a better selection and will have all the parts you need. I always get SS nylock nuts for all that stuff, too
HTH & have fun,
Brad
Edit: I told you wrong on the SS bodied ends, I did it so long ago. I used these ends..... Part # 60745K86 page # 1017 Also note the FINE thread used on everything.