To quote from one of my favorite websites, The Online Photographer:
"(By the way, if you're wondering how to suspend an unsuspended [turntable] like the MMF 2.2 or the Regas, here's what you do. Go to the plumbing section of your local hardware mart and look for 1 1/2" pipe end caps in the plumbing section
"(By the way, if you're wondering how to suspend an unsuspended [turntable] like the MMF 2.2 or the Regas, here's what you do. Go to the plumbing section of your local hardware mart and look for 1 1/2" pipe end caps in the plumbing section