Abstract: A nail magazine for alternatively accommodating T-nails or U-nails includes a nail track and a stop block. The nailing track has a bottom notch and a first nail hole upwardly extended from the bottom notch for holding a T-nail. The stop block is positioned in the bottom notch of the nailing track and has a top side, a left side and a right side, which define with a peripheral wall of the bottom notch of the nailing track a second nail hole for holding a U-nail. The stop block further has a top cut groove aligned with the first nail hole such that the T-nail held in the first nail hole is in coincidence with an axis of a driving path that aligns with the second nail hole, thereby enabling the T-nail to be positively and straightly driven into a workpiece.

Abstract: An electric screwdriver is disclosed to include a main body, a socket, an actuator, a switch, and a wrenching portion. The actuator is installed inside the main body, which has a front end and a rear end. The socket is rotatably positioned at the front end of the main body and is connected with the actuator. The switch is mounted on the main body. The wrenching portion is positioned at a position in proximity to the front end of the main body.

Abstract: A buffer apparatus of a nailing gun, which controls the air flow in and out a chamber of a main body of the nailing gun, reduces the vibration of the nailing gun when nailing. The air will flow in with a larger rate and will flow out with a smaller rate, such that a buffer force will be provided to a bar being punched to reduce the vibration, and more particularly, the air flow also can bring the heat out.