About This Product:Package Includes: 2 sliding door wheels and 2 mounting pieces.Product Dimensions: 80 mm x 85 mm, pulley diameter 43 mm, load capacity 20 kg.High-Quality Material: Made from high-hardness ferroalloy, thick material, not easily deformed, resistant, durable, wear-resistant, and corrosion-resistant.Pulley Design: Provides a better fit and smoother sliding, stable and safe to use. These accessories allow you to open your cabinet door more conveniently and easily.Silent Operation: Equipped with shock absorbers, they operate quietly and robustly, protecting you from loud noise and potential injuries from sudden door slams.Wide Application: Suitable for sliding doors of cabinets, windows, closets, wardrobes, display cabinets, wardrobe doors, etc. It is an ideal replacement for traditional roller designs.