Metal floor guide: adjustable. Fix the roller position and then tighten the bottom screw to lock the roller in the workable position, ensuring consistent alignment and smooth door operation. Door bottom layout compatibility: ensure the size fits the door you will install before . Verifying size helps prevent fit issues. Wallmount sliding door floor guide: features smooth, polished chamfered edges. Bracket and screws sit flush on the floor for a clean look. Does not require grooves in the door or floor, enabling quiet, unobtrusive operation. Sliding barn door floor guide: made of steel material for durability and reliability. Provides a bright, modern style that complements contemporary interiors. Use scenarios: Installing on a living room or pantry door where a floor guide is needed to keep the door aligned and gliding quietly along a track. Renovating a space with no floor or door grooves, where a flushmitting, wallmount guide offers a clean aesthetic and smooth performance. Upgrading a heavy interior barn door that benefits from a steel, durable floor guide to improve stability and reduce noise during operation.