The Renzetti Saltwater Pedestal Base is made out of cast zinc that is then powder coated black. It is 6" wide x 6" long x 1/2" thick and weights 4 pounds. The Renzetti Saltwater pedestal base comes with a 6" stainless steel stem, an anodized aluminum saltwater stem support and a non slip rubber protective pad to keep your vise in place as well as to protect your working surface. The Renzetti Saltwater pedestal base is designed to be used with a Master Series Vises, The Presentation 3000 Series Vises as well as the Presentation 4000 Series Vises. To use the Renzetti Saltwater Pedestal Base with a Tube Fly Vise or a Traveler Series Vises, please add the X8054, Stainless Steel Stem for traveler/Tube Fly Vises. Made in the USA. Vendor: Renzetti