3M Peltor Optime I Headband Earmuff H510A Gas Detectors Inserting the power isolation key Velcro adjuster tabs at ZP505.N.112 First Aid Supplies Colour:Army-Orange

Inserting the power isolation key in the KSE unit changes the condition of the electrical supply to the machine to a safe condition and enables the release of the personnel keys

Hard hat pictured not included

300 metre roll x 75 mm width

Lightweight breathable mesh backing

cooling gussets at underarms

3M Peltor Optime I Headband Earmuff H510A Gas Detectors Inserting the power isolation key Velcro adjuster tabs at ZP505.N.112 First Aid Supplies Colour:Army Orange Inserting the power isolation key in the KSE unit changes the condition of the electrical supply to the machine to a safe condition and enables the release of the personnel keys Hard hat pictured not included