The octagonal hammer is a heavy tool after all, plus it is connected with wooden handle or iron handle. It consists of two parts. The problem of not paying attention to details in normal use may be dangerous, and we should pay attention to whether it is firm when installing. Often check, fix, guarantee safety factor.
    We must remember that, in the use of octagonal hammer attention when the hammer and handle must be firmly connected, usually a hammer head and a hammer handle loosening, hammer splitting and crack can not be used. Octagonal hammer hammer head and a hammer handle mounting hole in the wedge, the wedge of metal as well, no more than the length of wedge mounting hole deep 2/3. In order to have a certain flexibility in beating, the center of     the crate of the octagonal hammer is slightly narrower than the end of the top.
Since there are nail using octagonal hammer, hammer the nail should be flat, the vertical nail into the wood. When pulling nails, we should place wooden blocks on the corner of sheep's horn to enhance the pulling force. We should not use the ram hammer as a prying tool. We should pay attention to the smoothness and integrity of the hammer surface, so as to prevent the nails from flying or the hammer is slippage and hurting people.
    In the process of the use of the octagonal hammer, it seems to be a simple and simple problem. If it is unsuitable, there will be unnecessary danger. The length of the handle of the hammer to moderate, too short may touch hands in use, too long with nothing, so we choose according to their proper length.