3M PELTOR Optime 101 Earmuffs H7A, Over-the-Head a+|0|1654194045117 1" square drive bi-hexagonal socket:

1" square drive bi-hexagonal socket: 36mm

Transmitter docks in the Receiver for convenient storage as a single item when tester is not is use

Meets ASTM

Output Over Current Protection: 4A Maximum Total Output

3M PELTOR Optime 101 Earmuffs H7A, Over-the-Head a+|0|1654194045117 1" square drive bi-hexagonal socket:General Information Brand PELTOR Earmuff Style Over the Head Hearing Protection Style Over the Head Product Series Optime Product Type Earmuff Country Of Origin United States California Residents Proposition 65 Warning Other Details Bluetooth No CSA Class CSA Class AL Corded No Dielectric No Electrically Insulated No Metal Detectable No Moisture Resistant No Noise Attenuating Headsets Yes Product Code H7A Recommended Industry Automotive Csa Class CSA