Unique Grooved Surface. ALUMINUM BALUSTER: Universal aluminum balusters provide a clean stable and contemporary feel to your deck. Lightweight and never-rust alternative to wrought iron. SPECIFICATIONS: Grooved. Pack of 25. Length: 32'; Outer Diameter 3/4'.  WEATHER RESISTANCE: Powder-coated with AAMA-2604 compliant material five times of the outdoor exposure and twice the humidity exposure than AAMA-2603. Color: Matte Black.  Compatible with wood composite aluminum and PVC deck railings. Ideal for use with Myard post base railing connector post cap.  MADE IN TAIWAN: Quality products. Maintenance free and corrosion proof. Best solution for DIY deck railing refurbishment small contractors and local builders....