HEAVY-DUTY CONCRETE ANCHOR: Designed for secure fastening in concrete and masonry. Ideal for structural projects requiring reliable hold and stability in tough materials. DURABLE CARBON STEEL BUILD: Made from high-quality carbon steel with a zinc exterior finish. Provides corrosion resistance and long-lasting performance in demanding environments. EASY INSTALLATION DESIGN: Straight shape and self tapping concrete screws allow for quick, hassle-free installation. No pre-drilling required for most masonry applications. VERSATILE APPLICATIONS: Suitable for use as masonry anchors in brick, block, or cement. Perfect for attaching fixtures, brackets, or supports to solid surfaces. CONVENIENT PACK SIZE: Includes 20 pieces of 6 inch concrete fasteners per package. Each screw is lightweight at 0.01 oz. for efficient handling and storage.