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.

Standard Abrasives 78512, Ceramic Pro Type 27 Flap Disc, 645109, 4-1/2 in x 7/8 40 Y-weight, 7010301276
3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box 
