Sliding Door Floor Guide Set of 4 Adjustable Floor Guide,Anti Scratch Roller with Ball Bearing,for Door Thickness 30-65mm

Sturdy and Durable The silver surface provides scratch resistance and rust protection, which can ensure long-term use indoors or outdoors. The large roller wheel is made from durable plastic that can roll quietly and smoothly to avoid scratching your door. Suitable for: It can be installed on automatic doors with a thickness of 30mm to 65mm. Adjustable design makes it convenient and quick for you. Easy Installation: freely adjust the distance according to the thickness of the door and tighten the screws to fix it (screws are not included). Wide Use The guide wheel is dedicated to automatic doors, sliding doors, frame doors, wooden doors and metal doors. No need to drill holes in the wall, no damage. Smooth bearings can slide easily, and the door slides easily. The bottom of the floor guide is flat, does not damage the door, and the floor can slide smoothly and silently.