Patent ID: 7185563

Claim:
A device for imparting rotary motion upon a fastener comprising: a first fastener engagement member having an axially disposed aperture, a plurality of first projections disposed about a lower portion, an upper planar portion that ultimately receives a force thereupon that forces said first projections into a corresponding peripheral portion of the fastener, and an exterior circumferentially extending surface having a plurality of flat regions; and a second fastener engagement member having a plurality of second projections disposed about a bottom portion to engage a central portion of the fastener, a peripheral planar lower portion that engages said upper planar portion of said first fastener engagement member, and an upper planar portion that ultimately receives a force thereupon that forces said first and second projections into corresponding peripheral and central portions of the fastener, said bottom portion of said second fastener engagement member extending axially through an aperture in said first fastener engagement member to ultimately engage the central portion of the fastener.