Feature Highlights: 1. Olive Rail System – Keeps your sliding door stable and aligned during manual or motorized operation. The slim nylon rollers smoothly lift and guide the door along the axis. 2. Durable Nylon Construction – Made from impact-resistant, abrasion-proof nylon that withstands high and low temperatures, plus exposure to chemicals. Perfect for replacing worn or broken wheels. 3. Heavy-Duty Steel Base – Built with robust steel to ensure reliable performance for both indoor and outdoor use. 4. Smooth & Quiet Movement – The inner body and nylon tread provide fluid, low-friction turning for effortless door operation. 5. Easy Compatibility – Designed for sliding doors, electric gates, garage doors, conveyor systems, and general industrial applications. Product Details: This rail set features an olive-style track with integrated nylon rollers to maintain door alignment and smooth motion. The heavy-duty steel base ensures long-lasting durability indoors and outdoors. The nylon wheels resist wear, temperature changes, and chemicals, making them an ideal replacement for worn sliding door wheels. Suitable for manual and motorized sliding doors, electric gates, garage systems, and transport rollers. Specifications: - 2 nylon roller wheels for sliding door tracks - Size: 27x35 mm - Material: Nylon rollers, steel base - Uses: Sliding door tracks, electric gates, garage doors, conveyor rollers, industrial transport systems - Applications: Residential, commercial, and industrial sliding door systems