Strong stability Bolts are deeply buried to secure precise positioning and provide robust support, delivering a smooth sliding experience for your barn doors. Heavyduty load bearing and quiet operation Rigid plate structure with bearing capacity handles heavy use. The guide rail enables smooth, quiet movement at all times, helping your barn door glide with minimal effort. Wide application and versatile compatibility Suitable for wardrobes, bedrooms, kitchens, and storage rooms. Works with interior and exterior doors, making it a flexible solution for multiple spaces and door types. Easy installation and durable design Each trolley includes four rollers, forming a complete trolley system that delivers strong support and smooth rolling for your barn door. Use scenarios Bedroom or walkin closet: Upgrade to a spacesaving sliding barn door that improves accessibility and creates a clean, streamlined look. Kitchen or utility area: Install a sliding door for a pantry or laundry room to maximize space in tight layouts while keeping areas easy to access and visually tidy. Exterior or sheltered entry: Apply to exterior doors in covered or weatherprotected applications to achieve a practical, durable sliding door solution for patios, porches, or garden sheds. Key attributes Function: Sliding barn door hardware with fourroller trolleys for stable, lowfriction operation Compatibility: Suitable for interior and exterior doors, including wardrobes, bedrooms, kitchens, and storage rooms Performance: Designed for heavy usage with smooth and quiet sliding Construction: Rigid plate structure and deeply buried mounting bolts for precise positioning and strong support Installation: Four rollers per trolley, integrated into a complete trolley system for reliable rolling performance