3M™ Orange Foam Earplugs (200 Pack) N66BC-1 State-Of-The-Art Laser Heat Treating Offers

State-Of-The-Art Laser Heat Treating Offers A Strong And Consistent Pattern Across The Cutting Edge

Shock-absorbing endcaps: prevent slipping on walls and are removable to carry lines tight into corners

These hard-core cobalt bits deliver 10X life vs

Starts holes in concrete slabs

INTEGRAL GROVE: Securely holds timbers

3M™ Orange Foam Earplugs (200 Pack) N66BC-1 State-Of-The-Art Laser Heat Treating Offers3M Foam Earplugs 1100 feature soft, hypoallergenic foam and a tapered design to fit comfortably in the ear canal. The slow recovery polyurethane foam conforms to the shape of the ear canal to help create a comfortable noise barrier. These earplugs are test compatible with the 3M E A Rfit Validation System. Noise Reduction Rating (NRR) of 29 dB, CSA Class AL Test compatible with 3M E A Rfit Validation System