#36 - 6oz Nylon Tip Magnetic Hammer Nylon tipped, one end with a permanent magnet, and the other for hammering.A professional grade tool used for hammering on most upholstery projects. Used where soft strike is needed. Magnetic head should not be left in contact with other steel items or it may lose magnetism. #33 7oz Head Bronze Magnetic Hammer. Steel tipped Bronze Head, one end with a permanent magnet, and the other for hammering. A professional grade tool used for hammering on most upholstery projects. Magnetic head should not be left in contact with other steel items or it may lose magnetism.