There are provided with a ball given quantity supply apparatus for supplying a given quantity of balls to an apparatus using a given quantity of balls such as a bearing, a ball screw and a linear guide, and a method and apparatus for assembling a ball screw apparatus for use in a feed mechanism employed in various machines. The method includes providing a content system including a set of content items organized by genre characterizing the content items, and wherein the set of content items contains microgenre metadata further characterizing the content items. The skew portion is formed with a joint end portion at an extremity thereof, the joint end portion being formed with a conductor exposed portion where an inner conductor is exposed and joined to a conductor exposed portion of another conductor segment. Molded hand grips may be provided on the handles and may include one or more receptacles for storing drive bits when not in use.