According to the manufacturer of the octagonal hammer, the octagonal hammer generally has two types of long handle and short handle, which can be used for hammering in a wide range. The hammer head usually weighs 3.2-9.1 kg, and the handle is very long, which is convenient for two hands to swing the hammer.
Because the sledgehammer is so heavy, be careful to choose the size and weight that you can control. The sledgehammer is handy for smashing things and can be used to destroy masonry, lime, and drywall. Driving wooden piles, poles and railway spikes, but it is difficult to control, so you must pay attention to safety when operating.
As for the fitter's hammer, it is distinguished by weight in pounds. The hammer head of the fitter's hammer has two directions. It is always a round head, which is generally used to strike rivets and the like. The flat end is generally used for knocking, and the pointed end is used for sheet metal.