The JSP range of head protection meets the requirements of industry where there is a risk of being injured by falling objects or when working in areas of restricted headspace. A safety helmet needs to protect the wearer from falling objects, collapsing structures and protruding extensions. Choosing the correct head protection is one of the most important decisions you will make when working in Construction and Industry where there is the risk of objects falling on the head, so why compromise JSP offers a large range of hard hats and safety helmets. The JSP Mark 2 safety helmet is a popular choice, due to its toughness and functional design. The helmet shell is manufactured from impact-resistant UV stabilised high-density polyethylene. To ensure wearer comfort there is an adjustable 6-point low density polyethylene harness that incorporates a Fully adjustable ratchet headband. Fits head sizes: 530-620mm sizing (61/2"-73/4") Helmet offers 440V electrical insulation. Conforms to EN397,