Vise has slots for optional attachment to drill press base. Its quick release feature permits rapid opening and closure of the jaws or use the handle to make smaller adjustments. Jaws are 2-9/16" wide (65mm) x 1-5/64" high (27mm). Maximum jaw opening is 2-3/4" (70mm). Overall dimensions 9-1/2" long x 4-1/2" wide.