The vise shelf support (003-649) adds stability and reduces vibration by supporting the shelf on the floor. The 10 diameter turntable base (kit #003-616) is extremely smooth, and includes the turntable brake and a microscope centering post. Turntable attaches to the shelf with the turntable mounting kit (004-672). Shelf attaches to your table with a fixed mounting plate (004-557) and includes the optional mounting adaptor (004-559) for an extra strong mount or for curved or thin bench tops.This shelf easily accommodates GRSs largest vise, the 42-pound Positioning Vise. Package includes everything pictured in the photos (last photo shows all parts) and indicated by the GRS item numbers above. The item "GRS Engraving Tools Large Vise Shelf and Turntable" is in sale since Monday, August 13, 2018. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Engraving Tools". The seller is "randyjohnlarsen" and is located in Saint Louis, Missouri. This item can be shipped to United States.