These floor guides are crafted with great attention to detail, resulting in high hardness that allows them to withstand extended use. They are also effective at preventing the door from swinging to the sides, ensuring a stable and secure movement for your sliding door. Features -Color:Black -Material:PP -Size:4.40X2.90X2.10cm/1.73X1.14X0.83in -Inner width: 2.5cm -Hole distance: 2.5cm -Despite its simple design, this floor guide is highly practical and can securely hold the door track for sliding doors. -Its sturdiness ensures that the door remains in line with the rail above when mounted on the floor. -This floor guide is crafted with workmanship, making it resistant to breakage and suitable for long-term use with confidence. -Practical door guide can provide a stable and smooth sliding door movement by preventing the door from swinging to the sides. -This door floor guide is versatile and can work well with various types of doors, including rolling doors, sliding doors, and barn doors. Package list: 4 x Sliding Barn Door Floor Guides