8 In 1 Floor Guide Adjustable Sliding Door Floor Guide Wall/bottom Door Guide Sliding Door Guide Kit Eight in one option for easy installation - there are 8 different installation methods for easy installation. Simply fix two screws on the bottom rod and pull the roller guide into place.Durable and High Quality - Our sliding door rails are made of high-quality carbon steel, with a black coating that is wear-resistant and corrosion-resistant, providing a longer service life.Easy to slide - Smooth rollers can easily slide and then effortlessly push the door open. The bottom of the floor guide rail is flat and will not damage the door and floor.Adjustable sliding door floor guide rail floor guide rail sliding door guide rail assembly door guide rail - sliding door kit - suitable for all sliding doors.Features:-Easy to install, you can get the carefully crafted hardware we offer in just 5-10 minutes.-The car door moves smoothly forward and backward, without any noise.-The opening at the bottom of the channel can save walls by reducing collisions between doors and walls, and extend the service life of existing barn door hardware.-Adjustable, suitable for door leaves ranging from 30mm to 84mm.How to install:1. Measure the thickness of the door.2. Place the roller in the floor rail to ensure there is enough space to place the door. Simply slide the film inside and tighten the screws at the bottom of the floor rail.3. Install it on the wall with screws