Original German Steel Helmet Stahlhelm M40 Relic of Battlefield WW2 World War2. The Helmet M40 was found on the Battlefield of East Front. The condition of the helmet is on the photos – see all photos carefully. Dimensions: 285 / 225 /160 mm – 11.2/8.8/6.3in. Diameter – 650mm / 25.6in. Weight is 0,980kg / 2.16lb. [Continue]