Hi gerri:

Yes I have a beautiful granite base for my vise that I recently purchased. I love it. I did not build it and did not have the time to. I wanted something to make my tying area nicer on my eyes. That granite base for my vise was the solution. I bought my granite base for my vise at:

http://www.flyfishingcrazy.com/product/GF

Sorry no details on construction since I did not build it but at least some pictures for you to look at and a place where you could purchase one if you like.