High quality laser engraved HIN aluminum plate. Whether you're restoring a boat or you need to replace your damaged / lost ID plate. This aluminum plate is specially designed to complete all you needs! THIS HIGH QUALITY TAG IS LASER ENGRAVED TO OFFER YOU A PERMANENT, DURABLE AND LEGIBLE PLATE COMPLIANT WITH COAST GUARDS REGULATIONS. displaying of HULL number is mandatory on every boat, avoid a fine! This plate is made from silver .025 anodized aluminum, a very Strong, UV resistant material.