A sheet-metal puller comprising: a first manipulating means provided with a bit which is disposed in the distal end portion of a shaft and which is weldable on a sheet-metal face, a supporting portion configured to support said first manipulating means, a power source cord for providing power to an electrical conduction mechanism; a second manipulating means configured to pull up said first manipulating means, a leg body configured to support said second manipulating means, the shaft, wherein the first manipulating means is provided with the shaft and a handle for rotating the shaft and is provided at one end of the shaft; and the electrical conduction mechanism which conducts electricity to the bit, characterized in that: the second manipulating means is connected to the power source cord; the electrical conduction mechanism comprising: an electrical-conduction portion main body which is formed with a conductive member, in the center of which a first through-hole to be inserted through by said shaft is formed, and in which at least one second through-hole communicating with said first through-hole is formed in a direction perpendicular to a direction in which said first through-hole is formed; and at least one electrical-conduction element disposed in said at least one second through-hole; wherein said at least one electrical-conduction element is configured to include at least one electrical-conduction chip abutting on said shaft, and at least one coil spring biasing said at least one electrical-conduction chip toward said shaft, so that current is supplied to said shaft through said at least one electrical-conduction chip to conduct electricity to said bit; wherein the electrical conduction mechanism is incorporated in the center of the sheet-metal puller. a first manipulating means provided with a bit which is disposed in the distal end portion of a shaft and which is weldable on a sheet-metal face, a supporting portion configured to support said first manipulating means, a power source cord for providing power to an electrical conduction mechanism; a second manipulating means configured to pull up said first manipulating means, a leg body configured to support said second manipulating means, the shaft, wherein the first manipulating means is provided with the shaft and a handle for rotating the shaft and is provided at one end of the shaft; and the electrical conduction mechanism which conducts electricity to the bit, characterized in that: the second manipulating means is connected to the power source cord; the electrical conduction mechanism comprising: an electrical-conduction portion main body which is formed with a conductive member, in the center of which a first through-hole to be inserted through by said shaft is formed, and in which at least one second through-hole communicating with said first through-hole is formed in a direction perpendicular to a direction in which said first through-hole is formed; and at least one electrical-conduction element disposed in said at least one second through-hole; the second manipulating means is connected to the power source cord; the electrical conduction mechanism comprising: an electrical-conduction portion main body which is formed with a conductive member, in the center of which a first through-hole to be inserted through by said shaft is formed, and in which at least one second through-hole communicating with said first through-hole is formed in a direction perpendicular to a direction in which said first through-hole is formed; and at least one electrical-conduction element disposed in said at least one second through-hole; an electrical-conduction portion main body which is formed with a conductive member, in the center of which a first through-hole to be inserted through by said shaft is formed, and in which at least one second through-hole communicating with said first through-hole is formed in a direction perpendicular to a direction in which said first through-hole is formed; and at least one electrical-conduction element disposed in said at least one second through-hole; wherein said at least one electrical-conduction element is configured to include at least one electrical-conduction chip abutting on said shaft, and at least one coil spring biasing said at least one electrical-conduction chip toward said shaft, so that current is supplied to said shaft through said at least one electrical-conduction chip to conduct electricity to said bit; wherein the electrical conduction mechanism is incorporated in the center of the sheet-metal puller.