Mikea Just went and dug out a piece of white teflon rod .625" dia, wanna make your own? Thanx Lloyd KK7IZ kk7iz at cox.net 480-620-7145 On Wed, May 06, 2009 at 09:28:33AM -0700, J. Forster wrote: > There are machinable glass/ceramics out there. You work it like metal, but > w/ carbide tools as I remember.