[Design Concept]: Sliding barn door floor guide are designed to be more space-saving and lightweight, while the dual-sided design with concealed small pulleys ensures smooth sliding of the door panel while protecting it. [Why Choose us]:This barn door floor guide does not require grooving, making it suitable for use with glass doors as well,fit door thickness 3/8''~1-15/16". [Packing]: 1 x Floor Guide;2 x Screws;The floor guide can be adjusted within a range of 1.96" based on the width of the door panel. [Easy Installation]: Once adjusted according to the thickness of your door panel, simply fix it in place to complete the installation. 【BONIKLUBA Brand】BONIKLUBA is a professional manufacturer of sliding barn door hardware, Our product have undergone scientific design and through strict quality monitoring. Excellent customer support create an enjoyable shopping time. BONIKLUBA store adjustable sliding floor guide, double-sided pulley design protects the door panel while making it smoother and quieter and lighter.