Please explain "dsi"
A Phillips screwdriver is a screwdriver for use with Phillips screws.
A Phillips screwdriver is a screwdriver for use with Phillips screws.
A phillips screwdriver is generally made of a steel shaft with a plastic handle
For #2 Phillips screws.
The Phillips-head ("crosshead") screw and screwdriver are named after its creator Henry F. Phillips .
For a crosshead screw the "Phillips" screwdriver is used .
A Phillips head screwdriver has a crossed pattern head, rather than the straight edge of a flat head screwdriver
Phillips P4 is 3/8 diameter.
phillips screwdriver
The Phillips screwdriver was created by Henry F. Phillips (1890-1958) who was a U.S. businessman from Portland, Oregon . The Phillips-head ("crosshead") screw and screwdriver were both named after him .
It is a slightly better version of Phillips.
Posidrive is a variation or improvement on the Phillips screwdriver. It has flat sided faces, instead of the slightly tapering Phillips, but this is only really an advantage when using posidrive screws.