Old 12-11-10, 10:20 AM
  #15  
badamsjr
17yrold in 64yrold body
 
Join Date: May 2010
Location: Northern CA
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Whether it is a hole or a 'logo', the stub is there to give the user a little more grip for tightening. With the hand on the handle, the thumb, when placed on the 'stub' gives the user a little more force to tighten a screw.
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