3M™ E-A-R™ Skull Screws™ Earplugs P1300, Uncorded, 480 Pair/Case

3M™ E-A-R™ Skull Screws™ Earplugs bring rugged style as well as noise reduction. Even though they look like threaded metal, these ear tips are made with ultra soft foam to help comfortably protect the wearer. The large foam ear tips of these push-to-fit earplugs are inserted into the ear canal with a simple push of the firm plastic fitting stems.