It features a high-quality all-steel shell and top-grade spring configuration, which makes it sturdy and durable. The whole product is lightweight and flexible, enabling quick nail loading, with higher strength and faster nailing speed. It is suitable for door nails, U-nails and T-nails. It is mainly used for the fixed installation of household exposed wire trunking, the fixation of aluminum gussets, and the nailing of decorative wood boards and lumber, etc. Meanwhile, it can also be used in the advertising industry, such as hanging ornaments on walls, nailing transport wooden frames, installing baseboards, and so on.