Tools used as parts of machines, namely, blades, blanks, bearings, chucks, shanks, holders, and mandrels; clamping devices for use with machine tools, namely, clamps for use in the precision clamping of work pieces, metal clamps used for holding piece parts on machine tool tables; tighteners, namely, clamps for use in the precision clamping of work pieces, jaws for use in the precision clamping of work pieces; chucks for power drills; toolholders for metalworking machines; hand-held tools, ot...