General description Our Adjustable Floor Guide is designed for wooden doors and sliding door systems, providing a smooth and quiet sliding experience. The guide features smooth-rolling bearings that ensure resistance-free opening and closing, while the flat and smooth top and bottom of the floor tracks prevent damage to both the floor and the door. Technical specifications Material: Carbon steel Dimensions: 114 x 50 x 63.5 mm Adjustable for door panel thickness: 30 mm to 84 mm Installation Designed with 8 different installation methods Easy to mount to the wall with screws, no groove required for the door Includes necessary parts and wrenches for efficient installation Usage Suitable for most sliding doors, including wooden sliding doors and bottom sliding door tracks The distance between the two wheels can be freely adjusted to meet your needs