An average household tool will last a lifetime, but what if used for thousands of times a day ?

Can you imagine that a tool that can last a lifetime can not work within half a day ?

Materials and making processes of industrial-grade tools are completely different from those ordinary tools. Every industrial-grade tool has to go through rigorous repeated testing and qualified inspection before entering into the market.

Hammer is a tool consisting of a weighted "head" fixed to a long handle that is swung to deliver an impact to a small area of an object. This can be, for example, to drive nails into wood, to shape metal (as with a forge), or to crush rock. Hammers are used for a wide range of driving, shaping, and breaking applications.