It’s important to always wear safety glasses with side protectors when using an impact wrench. Make sure you’re not wearing any lose clothing or accessories such as a tie, or a watch – these could become entangled with the socket drive. When using an air-impact wrench you always need to wear hearing protection – an air-impact wrench generates noise levels of up to about 103 db. Having worked through this guide and taken heed of our product recommendations, you should never have to worry about dealing with seized bolts and nuts again. And no more grazed knuckles.