General description The Adjustable floor guide is designed for wooden sliding doors, featuring a sleek satin black finish. Its sturdy carbon steel body combined with a nylon roller ensures smooth and quiet operation, making it an ideal choice for enhancing your sliding door experience. Technical specifications Material: Carbon steel and nylon Surface finish: Satin Black Wheel diameter: 37 mm Suitable door thickness: 2.5 cm - 5 cm Installation No door groove required No holes need to be drilled in the floor Usage The innovative design includes an invisible swivel wheel on one vertical side, which not only enhances the sliding experience by making it smoother and quieter but also saves space.