General description The Sliding Door Rollers are designed for smooth and quiet operation, making them ideal for various applications such as wardrobes, windows, closets, and cabinets. Made from high-quality iron and nylon, these rollers are wear-resistant and durable, featuring a stronger ball bearing centered wheel with an anti-jump safety clip. Technical specifications Material: Iron and nylon Pulley panel dimensions: 8.4 cm (length) x 8.8 cm (width) x 1.3 cm (thickness) Pulley diameter: 4.2 cm Installation Features a retractable top wheel for easy installation of the door leaf Height adjustment of the roller ensures safer and smoother operation Usage Suitable for sliding doors of wardrobes, windows, closets, cabinets, display cabinets, and shoe cabinets Allows for easy and quiet opening and closing of doors Other information Package includes 4 pieces of sliding wardrobe door pulleys (2 for the top and 2 for the bottom) Corrosion-resistant and wear-resistant due to multi-layer painting Silent nylon roller design prevents scratches during operation