Hand tool set with an illuminator

A hand tool set comprising;

• a bottom shell having a barrel and an arched coupling portion aligned at one side, a lamp chamber adjacent to said barrel, a center opening, a row of tool bit compartments at a front side thereof, and a plurality of retaining blocks respectively raised between each two adjacent tool bit compartments for holding tool bits in said tool bit compartments, said barrel defining a polygonal hole;
• a top shell having an arched coupling portion hinged to the coupling portion of said bottom shell and having a top plate at one end remote from said barrel, and a button hole at a front side thereof corresponding to said lamp chamber;
• a handle received within the coupling portions of said bottom shell and said top shell and retained between said stop plate and said barrel, said handle having a polygonal mounting portion at one end for fitting into the polygonal hole on said barrel, and a polygonal bit mounting hole at an opposite end for holding a tool bit;
• and
• a lamp assembly mounted within said lamp chamber, said lamp assembly comprising a base, a cover fastened to said base, and a light source retained between said base and said cover and extended out of said lamp chamber, said base comprising a T-groove, a battery holder, which holds a battery, and two pin holes, said cover comprising a T-groove matching with the T-groove on said base, two upright pins respectively fitted into said pin holes, and a press button extended out of said button hole on said top shell, said light source having two opposite contact legs respectively disposed adjacent to the two opposite terminals of said battery such that said light source is turned on when said press button is depressed, or turned off when said press button is released.