Peltor - 3M Optime III Ear Muffs 33DB - H540A Ambidexterous Fits: Any set of calipers

Fits: Any set of calipers

The right tool and the right quality for the job

Engineered for superior consistency

and 1-1/4"-12 without bushing

cutting edge bore cleaner that is 100% barrel safe

Peltor - 3M Optime III Ear Muffs 33DB - H540A Ambidexterous Fits: Any set of calipersThe 3M PELTOR Optime III, H540A earmuff is a high performance hearing protector and has been developed for use in high noise environments like airports, marine engine rooms, power stations, and print works. The double casing technology minimises resonance in the holder casing resulting in maximum high frequency attenuation. The large space inside the cups helps reduce heat and moisture build up, and the soft, wide foam cushions offer low contact