Abstract: A non jamming head for power operated fastener driving tools having a driveway extended through a nose with a driving plane offset from a magazine supply of fasteners individually delivered through the driveway by a driver blade, and characterized by a back plate comprised of a pair of parallel side members defining a fastener receiving opening devoid of any obstruction ahead of the fastener, the driver blade and fastener driveway being defined by said side members, a front cover plate and an opposing parallel face at the front of the magazine rail to guide the crown of the fastener and the driver blade, the height of the extended nose from the points of the magazine supply of fasteners to the driving plane of the head not exceeding and less than the length of the individual fasteners driven into work at the said driving plane.