Stable, Durable & Rust-Proof: Our stair balusters are crafted from high-quality aluminum, designed to withstand outdoor conditions. With exceptional rust and corrosion resistance, these balusters remain sturdy and reliable over time, reducing maintenance and abolishing the need for frequent replacements Robust Support for All Challenges: Made with high-hardness aluminum and a black rust-resistant coating, this metal spindle railing offers robust support and outstanding durability. With a 0.8 mm thickness and 19 mm OD design, these balusters are strong, stable, and resistant to deformation 51-Piece Set: These balusters meet various installation needs. With a maximum spacing of 4 inch, the set provides 51 pieces, making it easy to build a stable, reliable fence system Ideal for Various Occasions: Whether for indoor staircases or outdoor gardens, these metal balusters integrate seamlessly into any environment, combining beauty with functionality. Elevate your home space and enhance the overall aesthetic Includes #19 Drill Bit: The included drill bit ensures quick and easy installation. Just drill the holes, connect, and fasten for a solid, secure setup, saving time and effort while providing a convenient and reliable user experience