There are eight different setting in one bottom guide roller: Our hardware shed door roller slide can be fully adjusted through eight setting , so you 't need to end the barn door or spend time considering different configurations when purchasing or roller. Easily repair your shed door with the configuration you feel . When you 't like it, switch to the scene and create a configuration. Flush with the floor, using a jig: There is no need to use heavy hardware to drill holes in the floor. Our barn roller guide is specially designed to place the Flat noodles at the bottom of the barn door completely flat on the floor of so that it can be installed quickly and easily. Combined with recessed holes, the flat end wall mount fastener will be flush with the clip to prevent adhesion to its beautiful barn . Fully adjustable: The 8 setting in all positions are slightly adjusted to help a . Suitable for all barn doors with a thickness not exceeding 8.4 cm. No matter what size or type of sliding roof door you have, we that this double-layer guide rail is securely installed. The double rails of these barn doors work well with their barn door hardware. If you 't like it, you have 7 other variants to play with. Easy to install and adjust: Place the guide rail on the side of the base plate, and the opening of the plate can only contact the ground and walls. In addition, if you do not have a DIY background, our easy to follow installation instructions will guide you through the setup process , allowing you to easily install the bottom barn door rails. Using two small steel screw keys, the adjusting lever lock nut roller guide will be very easy to connect to the wall Solid and silent: This steel has strong forging stability and wear resistance, and has a good black texture. The felt is connected to the roller to prevent sliding friction from damaging the barn door, making silent sliding smoother. Product Name: Ground Guide Product Weight Per Set: 425g Opening : Side Sliding Door Type: Partition Door Type: Sliding Door Surface Treatment: Finish Installation: Walls color:Black Material:race steel size:115 x 50 x 65 x 5mm Package Contents: 1 x Ground Guide Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.