【Adjustable for Glass Thickness】 The adjustable glass thickness is 8-14 mm, allowing you to use it according to your home's specific situation. 【Good for Your Floor】 This sliding door guide is ideal for floor mounting to keep the glass door aligned and will not damage your floor. This floor guide roller is for frameless glass sliding doors. 【Fits Multiple Door Widths】 38 mm center distance. Thickness adjustment is very convenient. This floor door guide is designed for glass sliding doors and electric sliding doors. It prevents the door from swinging sideways, ensuring stable and smooth movement. This floor sliding door guide fits various door widths. 【Wide Application】 The floor guide for glass sliding doors has a brushed surface finish, finely crafted, suitable for frameless glass doors, such as shower enclosures, glass partitions, etc. 【Stainless Steel Material】 The floor guide for glass sliding doors is made of high-quality 304 stainless steel, which is resistant to acids, alkalis, temperature variations, and abrasion.