Convenience: Practically designed floor rails allow quiet and easy sliding. You can rest assured that your barn door will slide smoothly on our floor tracks. Sliding doors are quieter and more economical. Application situation: This sliding door guide is suitable for non-slotted and slotted doors. Use this sliding guide to clip the door in the middle or a door with a groove at the bottom. Fully adjustable floor tracks, use unlimited door thickness, can be applied to more doors. Safe to use: This floor track is almost completely hidden under the door, installation will not be too inconvenient, there is no protruding support, and there is no need to worry about hurting your toes. Use to prevent sliding doors from detaching from the wall and to ensure safety in use. Material Quality: Made of high quality plastic, with greater hardness and durability. The matte black finish can be used for doors that can fit more doors. The simple design will always be applicable and cost effective. Easy to install: For doors without grooves, install the guide rails on both sides of the door, clamp the door between the two guide rails and fix it. it with screws. For doors with grooves, insert the guide rails into the grooves for installation and secure them with screws.