fischer Hammerfix N is perfect for a wide number of professional construction and home projects. This hammer-in fixing offers a simple, fast and repetitive fixing. Most sizes come pre-assembled for rapid hammer-home installation, further reducing the time required. The Hammerfix N is suitable for push-through installation. Ideal for attaching battens to walls, skirting boards, shelf supports and so on. Simply hammer in the fixing; the nail screw allows subsequent dismantling if required. An integrated hammer-in stop prevents the plug from expanding prematurely and jamming. When hammered in, the nail screw causes the plug to expand in two directions, providing a secure anchor. Hammerfix N fixings are suitable for all solid masonry; concrete, natural stone and brick. They are ideal for use as a cost effective frame fixing.