5 mm width et 50 meters length Copper Adhesive Tape to make the protective lining under the waterline of the old ship models hulls. It has one side with glue and the other without it. Once adhered to the hull, decorate it with the new Micro Riveting Tool 17x5 mm (27320), the heads of the nails will be marked with which the copper plates were nailed since the 18th century. This protection served to prevent mollusks and other marine creatures from attaching to the hull, thus reducing the speed of the boat.