If you're using power tools, you need the correct ear protection equipment. One of the more overlooked aspects of health and safety when working with tools and hardware is the damage done to the hearing.
This can be avoided easily enough, by way of investing in a good quality set of ear defenders. They come in a variety of makes, sizes and designs and any good set of ear muffs will serve to protect the user's hearing from noise pollution.
There's no such thing as a quiet power tool and you only have to spend a few minutes with an impact drill or similar to find that your ears are ringing in protest. Don't find leave yourself open to a hearing problem down the line - make sure you purchase the best industrial ear protection you can afford.