Premium Materials: The sliding door frame is made of 100% stainless steel. Rugged, corrosion resistant black finish. For door cladding up to 2.5 cm to 5.5 cm thick. Easy to push: the adjustable roller guide is located at the bottom of the door, the pulley glides smoothly and makes no noise. The bottom part is rounded, can guarantee the safety effectively. No friction: no need groove at the bottom of the door skin, no friction between the door surface and the guide at the sliding door floor. Easy Installation: It is wall mounted hardware, no need to drill holes in the floor, it will not damage the door, the installation is done in minutes. Installation process: Measure the thickness of the door. Adjust the floor guide to the corresponding width depending on the width of the door. Fix the floor guide in this position. Find the position on the wall where you are going to install the floor guide and mark the position of the screw with a pencil. Insert the punch hole with the drill, the bracket in the wall. Install the floor guide and tighten the screws.