Abstract: A power tool for automatically tying intersecting rod-like members with wire, comprising a jaw assembly comprising a fixed jaw having an interior groove to receive wire, a moveable jaw having an interior groove to receive wire, the movable jaw being rotatable into a closed position abutting said fixed jaw, wire feed means for projecting wire through interior grooves of the jaw assembly when the movable jaw is in the closed position, an entrance groove guide for receiving wire prior to the wire entering the jaw assembly, the entrance groove guide being located between two tensioned blocks, an exit groove guide for receiving wire after the wire exits the jaw assembly, the exit groove guide being located between the tensioned blocks and oriented in such a manner so that the wire in such exit groove guide crosses the wire in such entrance groove guide, rotatable splndle means comprising a pair of cutter blades for cutting wire, wherein one of the cutter blades is rotatable, and means for twisting the ends of the