GN1850 Features: -Swivel vacuum vise.-Popular vise grips firmly to glass, metal, laminate, fiberglass, or any smooth nonporous surface with quick lever action.-Universal ball joint swivels 360 degree to any position and tilts 90 degree to any angle.-Furnished with slide-on rubber jaws for fragile work.-Folds for storage.-Design that is collapsible and easily transportable.-Mobile vacuum base adheres powerfully to any flat, smooth surface, making this vise an ideal choice for those frequently changing job locations. Dimensions: -V-grooved hardened steel jaws are 3" wide and open to 2.63".