The Tower Masonry Nails LAS56 TS2 are 30mm x 2.5mm washered hardened steel nails that are zinc-plated for durability. Made in the United Kingdom, these nails are designed for use in a variety of DIY home improvement projects. With a metric system of measurement, these nails are perfect for securely fastening materials together with ease. The zinc finish adds an extra layer of protection against corrosion, ensuring that your projects will last for years to come.