General description No need for door grooves or drilling holes in the floor, these adjustable sliding gate floor guides are designed for smooth and quiet sliding. Made from heavy-duty carbon steel with a plastic roller, they are suitable for double doors. Technical specifications Length: 9 cm Width: 3 cm Depth: 6 cm Roller wheel diameter: 3.5 cm Suitable door thickness: 2.5 cm to 5 cm Compatibility and accessories Package includes 2 adjustable floor guides for double doors (1 guide needed per door)