The Renzetti Standart C-Clamp or X8064, is designed to work on a Presentation 2000 Series vises only. The standard C-Clamp is made out of Aluminum and then, it is powder coated in black. This vise comes with an 8" stainless steel stem, an anodized aluminum locking knob. As any of our C-Clamp it will fit tables up to 21/2" thick. Vendor: Renzetti