An indispensable tool for holding small parts under the microscope, this ball vise has the infinite adjustments necessary to hold odd shapes and the size to stay out of your way. Jaws move open and closed on smooth-operating center screw Top half revolves on bearings- responsive to slightest touch without side shake Two halves separate for easy pre-heating Accessories include pins and holders for a variety of items, all mounted on a wooden block for neat storage Leather pad allows vise to rest in any position without slipping 19 lbs. 12 oz. shipping weight~ ~ 5" spherical diameter