DescriptionThis door wheel is made of high-quality material, which ensures high move performance for your sliding barn door. Pressure and wear resistance, can serve you long lasting. Protects doors and wall from scratching and ensure smooth sliding. Easy to install and operate, not easy to fall and will stay on the wheel rail.Features- Color: Black and silver. - Material: Nylon. - Size: 7.00X7.00X4.00cm/2.75X2.75X1.57 inch. - Adopted by high grade material, sturdy and durable for long-lasting use. - Protects doors from scratching and ensure smooth sliding, suitable for home, restaurant, shop, etc. - Easy to glide and move, no need hard pushing, easy to install and save you time and energy. - All-match black color, can fit the household styles, thicken design not easy to damage and break. - Smooth surface and good texture, ensures anti-corrosion and years of longevity.