APPLICATIONS --- The glass door roller guides are suitable for 8-14mm/0.3-0.6in glass thickness for frameless glass doors, such as shower rooms, glass partitions, etc. QUALITY MATERIAL --- The floor guide is made of high quality stainless steel, high hardness, not easy to deform or damage, sturdy and durable, can be used for a long time. INSTALLATION --- The door stopper is perfect for floor installation to keep the glass door aligned so that it can slide straight when opening and closing. PREVENT SWING --- The stainless steel floor guide is designed to prevent the door from swinging to one side or the other. It ensures that every movement is smooth and fluid, giving you peace of mind. PREVENT SWING --- The stainless steel floor guide is designed to prevent the door from swinging to one side or the other. It ensures that every movement is smooth and fluid, giving you peace of mind. Shipping Quantity: 1; piece