3M Pistonz Plug Corded 400/cs P1401 Unit PK. Stem is stiff enough for insertion yet designed to flex sideways if impacted. Tips look like metal.Officially licensed hearing protection of NASCAR(R). NRR 29dB Specifications for 3M E-A-R Pistonz Corded...
3M Pistonz Plug Corded 400/cs P1401 Unit PK. Stem is stiff enough for insertion yet designed to flex sideways if impacted. Tips look like metal.Officially licensed hearing protection of NASCAR(R). NRR 29dB Specifications for 3M E-A-R Pistonz Corded...