Material: Stair post made of full wrought iron with anti-rust coating, waterproof and rust-proof; smooth surface, comfortable touch, durable, Cleaning can be wiped with a rag. Adjustable Angle Bracket: 270° rotatable bracket with flexible rotation to accommodate steps of different heights; match your favorite wood and iron handrails. Size: 65cm/25.6inch, 70cm/27.6inch, 75cm/29.5inch, 80cm/31.5inch, 85cm/33.5inch, 90cm/35.4inch, 95cm/37.4in, 100cm/39.3in, 8 heights can be selected, suitable for solid wood handrails. Easy Installation: Balustrade spindle posts come with (1x baluster post, 1x 270° swivel head, and 2 x expansion screws). Just need a drilling tool for easy installation. Has Many Uses: Baluster posts are ideal for indoor and outdoor installations for balcony railings, decks, lofts, stairs, and swimming pools.