High-quality materials: Made of high-quality rigid plastic for a long service life. It has good impact resistance and will not rust. This is a fully adjustable floor rail that can be used for all door thicknesses. Easy to install: Adjust the distance freely according to the thickness of the door and tighten the screws to fix it. Easy to do it yourself without tools. Compatibility The adjustable sliding door rollers are suitable for door panels from 35mm to 65mm, and the adjustable design makes it convenient and fast for you. Easy sliding: Smooth bearings can slide smoothly, and then the door slides smoothly. The bottom of the floor guide is flat, does not damage the door, and the floor can slide smoothly and quietly. Simple and beautiful style: No need to drill holes in the wall, no damage. The floor guide is installed in a delicate and light shape on the floor. The design is very simple and beautiful. Features: This adjustable width floor track is suitable for both pre-slotted and non-slotted doors. The unique double wheel and bearing design ensures smooth and stable operation. High performance guaranteed for your sliding doors. Two slotted screw designs provide a secure lock to prevent the door from swinging sideways. Note: To ensure successful installation, please check the distance between the door and the wall before purchasing. Installation Instructions: Material: Stainless Steel. Package Content: 1 x Sliding Door Track.