A heavy duty shelf that attaches to the front of your work surface using the GRS Fixed Mounting Plate, available separately (see related products below). The 7" wide x 8 1/4" deep shelf will hold most engraving blocks, including the GRS Center Positioning Vise, securely in place while you work. The Engraving Vise Shelf can also hold all GRS Turntables when you use the Turntable Mounting Kit, available separately (see related products below). The height of the shelf can be adjusted 5" up or down by changing the position of the rear mounting plate. Made in USA.