【Premium Material】This sliding barn door hardware is made of zinc alloy material, it is durable with stable characteristics and long service time. 【Maintain Balance】The hardware roller can help the door maintain balance, prevent wobbling and ensure smooth sliding. 【Excellent Performance】The household sliding door pulley can increase the bearing, smooth and quiet. High-quality nylon discs, wear-resistant. 【Practical and Beautified】The sliding barn door wheel allows the door to move to save space, decorate and beautify your home, and it is also convenient for your daily life. 【Stable and Wear-resistant】Increases rolling, smooth and quiet. High-quality nylon discs, wear-resistant. Flexible operation, stable quality and long service life.