3M E-A-R Pistonz corded earplugs soft foam tips conform to the unique shape of each earcanal to create a comfortable noise-blocking seal. Since there is no need to roll these earplugs down before use, fitting is easy and the foam tips stay clean, even when your hands are dirty. Push-to-fit products provide in-ear comfort and convenience, with the hearing protection you expect from 3M.
– 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 all day wear
– Officially licensed hearing protection of NASCAR(R)
– Noise Reduction Rating (NRR)*: 29 dB. CSA Class Class AL
*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.
3M is Leading the Advancement of Hearing Conservation.

Dynabrade 94992 1/4" Male Composite-Style Coupler with 1/4" Male Plug Assembly
3M™ 07012, Supplied Air Hose W-9435-100/07012(AAD), 100 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005375, 1 EA/Case
3M 35830, Hookit Dust Extraction Flexible Radius Sanding Block, 133 mm x 66 mm, 7100256625
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male
3M 05208, Hookit Sanding Block D/F, 70MM x 198MM, 7000028311
Dynabrade 97571 1/2" NPT Male Safety Coupler
3M 26432, PPS Series 2.0 Sealing Plug, 96 plugs per pack, 7100135627 
