Material: galvanized zinc steel plate, stainless steel plate, gal+ polyester coating Production process: the goods, here we called wall spik was produced through an special die with skill of one-time molding by using ourself - developed automatic production equipment Characteristics: with good protect function, beautiful appearance, easy to install , economical cost. Application: gardens and apartment, official buildings, prison, border by installed on the wall or steel fence with expansion screw.