[Insert]This product is mounted on the wall to prevent the door from swinging to the sides to ensure stable and gentle movement.[Good for your floor]It is Perfect for mounting on the floor to keep the glass door aligned and not damage your floor.Quality : made of high-quality 304 stainless steel,it can withstand decades of wear,rust and corrosionAdjustable for glass thickness: adjustable glass thickness is 8-14 mm / 0.31-0.55 inches,you can use it according to the actual situation of your homeFine workmanship: brushed surface treatment,finely processed,suitable for frameless glass doors,such as shower room,glass partition wall,etc.Condition: colour: silverMaterial: 304 stainless steelSize: 50x30mmPackage Contents:2 x Stainless steel floor guideOnly the above package content,other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.