Optimize your sliding with -saving, smooth vertical-mounted directional sliding door track pulley. Suitable for a wide range of applications, including sliding cabinet doors and heavy-duty door wheels, this pulley ensures reliable and smooth door movement. Simply mount the pulley on the track, ensuring it is securely attached for maximum efficiency. Features -Color:Multi -Material:PP, nylon -Size:6.90X2.30X2.30cm/2.71X0.90X0.90in -Mounting hole spacing: 30 mm -Effortless sliding mechanism: the rollers ensure smooth and easy sliding of the door, reducing the effort required for operation - finish: the track is reliable to provide wear resistance and durability, ensuring it remains functional over time -Vertical directional installation: specifically designed for vertical directional sliding doors, this product is easy to install and use -Reliable build: good constructed, this sliding door track and roller are designed for durability and long term use -Stable single roller: the single wheel roller design offers excellent stability and a longer lifespan, making it a dependable option for sliding doors Package list: 4 x sliding pulleys