Function: Floor rails should be fixed to the floor to keep glass doors aligned and slide straight when opening and closing. It also prevents the glass door from being pushed into the bottom. Install it on the wall to prevent the door from swinging sideways and ensure stable and smooth movement. Adjustable: The floor guide has an adjustable glass thickness of 8-14 mm and fits perfectly. Suitable for different cases, the thickness can be adjusted to your liking. Brushed treatment, finely processed. Easy to install: The glass door and the floor are ideal for mounting to keep them aligned. Does not damage the floor. Suitable for frameless glass doors such as shower rooms and glass partitions. Material: This glass door clamp is made of high quality 304 stainless steel, which has high strength, durability, heat resistance and long service life. It has the properties of acid resistance, alkali resistance, temperature resistance and abrasion resistance.