The invention relates to a left and right rotation screwdriver, which is formed by rubber sheath (1), a screwdriver body (2) and a screwdriver rod (7), wherein it is characterized in that: the screwdriver body (2) is sheathed with rubber sheath (1); the inner part of screwdriver body (2) is a cylinder chamber; the front part of chamber has screwdriver rod (7) whose front half part is small and back part is large; the back part is embedded with two opposite steel balls (6); the screwdriver rod (7) contains fine rod (5) whose front end is annular protruded and back end contains thick tube (3); the back end of thick tube (3) is annularly protruded; the return spring (4) is sheathed between two annular protrusions of return thick tube (3) and return fine tube (5); the left-rotation screwdriver can rotate the screw leftwards quickly; and the right-rotation screwdriver can rotate the screw quickly rightwards, to impact the corroded screw, improve the working efficiency, only by pushing the back part of screwdriver with hand. |