3M™ Orange Foam Earplugs (200 Pack) N66BC-1 These hard-core cobalt bits deliver

These hard-core cobalt bits deliver 10X life vs

Wrench ready: hex shanks for additional leverage

Choose between soft grip or metal handle

For ambitious domestic users

3M™ Orange Foam Earplugs (200 Pack) N66BC-1 These hard-core cobalt bits deliver3M 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