Package: This combination is designed to meet your daily repair and replacement needs. Premium Material: Our closet door hardware is primarily made of alloy steel, combining the high hardness of steel alloy with the toughness and wear resistance of nylon. These components resist brittleness and cracking over time, ensuring long-term durability. Easy to Use: Our bi-fold door hardware kits include detailed installation instructions, making them simple to operate and ideal for replacing parts. The bi-fold barn door hardware set saves time and provides a sense of accomplishment when repairing your door or furniture. Easy to Install: When replacing a bi-fold closet door hardware kit, minimal drilling, measuring, or adjustments are required. The pivots and guide wheels feature built-in springs. Once fixed into the door hole, pressing the inner spring adjusts the distance between the door and the track, allowing quick attachment to the bracket and track. This enables smooth and effortless sliding of the folding door. Wide Application: These heavy-duty bi-fold door hardware kits are suitable for repairing bi-fold doors, sliding doors, wardrobe doors, bedroom closet doors, garage doors, laundry room doors, storage room doors, and more. Door hardware can quickly restore functionality and improve the performance of your door. Specification: Material: Nylon + alloy steel + metal Color: Silver Package Contents: 2 x 3/8 inch metal tops 2 x bottom pivots 2 x 7/8 inch top guide wheels 2 x steel tops 2 x bottom brackets 12 x screws Note: Light reflection and different display settings may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement may vary by up to +/- 1-3 cm.