Material:The barn door floor guide is made of high quality plastic, which is very durable, has good impact resistance, and is not easy to rust,during the movement and keeps it in balance and stable. Reduce Noise Design:The barn door guide is fully adjustable floor guides,You can rest assured that your barn doors will experience the ultra-smooth sliding on our floor guide,and no noise will affect your life. Easy to Use:Clip the door in middle or with doors that have groove in the bottom, just tighten the screws to the desired position and you can start rolling. Easy to operate, not need to slot on the door, install convenient and labor-saving. Wide Application:The door bottom guide can be used for barn doors, wooden doors and cabinet doors,can prevent the door from swinging to both sides. Use for multiple single doors or double bypass closet and barn styles. Perfect Size:The Door Bottom Guide Size:4.5 x 2 x 2.4 cm/1.77 x 0.78 x0.94 inch.The package:each guide clip comes with 2 screws and 2 expansion tubes,total 2 Pcs Door Bottom Guide,enough for daily use.