• Lightweight, yet rugged construction, certified to BS EN 352-3:2002 standard.• Hearing protection level in excess of the standard, with an SNR of 30dB.• Fully adjustable ear cups to ensure a precise seal against the head.• Suitable for use on all Worksafe® helmets or any helmet with a 30mm fixing point.• Fully approved to protect against high noise levels in most working environments.Lightweight, yet rugged construction, certified to BS EN 352-3:2002 standard. Hearing protection level in excess of the standard, with an SNR of 30dB. Fully adjustable ear cups to ensure a precise seal against the head. Suitable for use on all Worksafe® helmets or any helmet with a 30mm fixing point. Fully approved to protect against high noise levels in most working environments.Technical Specification:Nett Weight: 0.3kgDimensions: Length: 95mm x Height: 190mmWeight: 0.352KgWarranty: 1 year