Phillip head screwdriver, named
after Henry F. Phillips, a U.S.
businessman from Portland,
Oregon and inventor of the
Phillips-head screw design is
its self-Centering properties,
useful on automated production
lines. The blade tip is designed
on state-of-the-art imported
machinery so as to yield quality
production. Handle design has
been explained earlier. It is
available in many different
sizes.
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