View All Images 3M E-A-R Pistonz Corded Earplugs 2-pair pack"Fitting 3M™ E-A-R™ Earplugs (Pre-molded and Push-to-fit style)" - 3M Hearing Conservation & Protection"40 Years of Hearing Protection" - Safety Solutions by 3M™"The Solution" - 3M™ Hearing Conservation & Protection 3M™ E-A-R™ Pistonz™ corded, push-to-fit earplugs are stylish hearing protection that feature soft foam tips with a metallic look and a convenient thumb-grip stem. No-roll foam makes fitting easy; simply push the earplug into the earcanal and twist to adjust the fit. Benefits •Instant-use - No need to roll down. •Stem is stiff enough for insertion, yet designed to flex sideways if impacted •Metallic-style earplug tips with ultra-soft feel for extended wear •Officially licensed hearing protection of NASCAR® •Noise Reduction Rating (NRR)*: 29 dB. CSA Class Class AL