Soft foam with tough, mock-metal finish
Noise Reduction Rating (NRR)*: 32 dB. CSA Class AL
Foam tips stay clean, even when your hands are dirty
3M™ E-A-R™ Skull Screws Earplugs offer noise attenuation with attitude.
3M™ E-A-R™ Skull Screws Earplugs provide the comfort and hygiene of push-to-fit soft foam plugs with the tough look of threaded metal.