Inert copies made from genuine molds High quality hollow cast iron with complete all-metal heads Great training aids and collectibles Sold as novelty only The 5ive Star Gear Dummy Hand Grenades are designed to be a great training aid, paperweight, or collectible. They are made in the USA of a high quality hollow cast iron that comes complete with heads that are made of all metal. These are inert copies made from genuine molds that are sold as novelty only.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }