Hardened nails for use in masonry. These nails are fast penetrating and virtually shatterproof, with special heat treatment to provide required hardness. The head shape prevents hammer slide and gives a neat flush fixing, while the point shape minimizes timber splitting. Size: 3.00mm x 50mm. Supplied in a box of 100. The Rawl R-MNL Masonry Nails are specially hardened nails designed for secure, heavy-duty applications in masonry, concrete, and solid brick. Engineered to provide strong, long-lasting hold in tough materials, these nails are perfect for securing battens, clips, brackets, and more in challenging environments. With their durable construction, Rawl R-MNL nails resist bending and ensure reliable performance. Features and Benefits: Made of low carbon hardened steel wire, solid head providing rigid striking surface, long diamond shaped sharp point for easy drive in of the nail, and zinc electroplated for enhanced corrosion resistance. Specifications: Diameter: 3mm, Length: 50mm, Pack Quantity: 100.