Premium Material: The sliding floor door guide is made of high-quality alloy steel, with smooth edges and surfaces without burrs. It is corrosion-resistant, anti-scratch, sturdy, and durable. Easy Installation: Simply adjust the position to your door. For an underarm height of 1-1/8 inches, taller wall brackets are recommended to accommodate the excess space at the bottom of the door. Sleek Edge Design: The sliding glass door guide features polished and chamfered edges. The ergonomic design ensures a more comfortable hand feeling and prevents accidental injuries. Adaptable Design: Suitable for both pre-slotted and non-slotted doors, for thicknesses from 1 to 1-7/16 inches. Please check the size in the picture before purchasing. Please check the distance between the door and the wall. Satisfactory Customer Service: We are committed to providing you with a satisfactory shopping experience. If you encounter any problems when using our glass door floor guide or have any suggestions,