For noise levels up to 101 dBA, these cap-mount earmuffs provide effective hearing protection.
? Cap-mounted design allows for easy use with most hard hats
? Liquid/foam filled ear cushions
? Color-coding for compliance sighting
? Noise Reduction Rating (NRR)*: 24 dB. CSA Class A
*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.

3M 20912, PSA Cloth Disc 348D, 40 X-weight, 2 in x NH, Die 200P, 7000118920
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3M 20928, PSA Cloth Disc 348D, P180 X-weight, 1 in x NH, Die 100N, 7000118917
Dynabrade 40610 Electric Dynafile II Abrasive Belt Tool
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3M 65033, Scotch-Brite Diamond Wheel, 645DC 6 in x 1/2 in x 1 in, 7010365574, Box of 3
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