Sync Stereo Earmuff, 25 dB NRR, Black, Over the Head ORS NASCO 100% zirconia alumina grain is

100% zirconia alumina grain is fast cutting with aggressive action and long life

and heat-freeze|Can be applied by brush or spatula to hot surfaces without running or dripping off||

impacted-modified nylon|Applies in seconds with thumbscrew mechanism so no screwdriver is needed|New blade design with improved grip on even more breaker models||

supple genuine grain leather palm with a split leather back|Reinforced palm and index area for added durability|Snap button closure to limit debris entry

decreasing the risk of eye stress and eye fatigue|Polycarbonate lenses provide 99

Sync Stereo Earmuff, 25 dB NRR, Black, Over the Head ORS NASCO 100% zirconia alumina grain isVolume Management Technology manages output volume from portable audio devices at 82 dBA (based on sound output levels no greater than 126mV) Provides ideal protection in most low to medium hazardous noise levels Plugs into most MP3 players, mobile phones, and other personal audio devices Sleek diamond pattern headband looks cool and is easy to clean Stereo earmuffs provide excellent sound quality