8 in 1 mounting options and easy to install This product offers eight different mounting methods for easy installation. Simply attach two screws to the bottom bar, then secure the roller guides in place. Durable and high quality The sliding door track is constructed from high-quality carbon steel with a black coating that resists wear and corrosion, ensuring a longer service life. Smooth operation The rollers allow the door to glide effortlessly, enabling easy opening and closing. The flat bottom floor guide helps protect both the door and the floor from damage. Adjustable sliding door floor guide track This floor guide is ideal for various sliding door applications. Suitable for doors with thickness ranging from 30mm to 84mm. Easy to install Setup takes only 510 minutes with the included hardware. Doors operate smoothly and quietly. The channel design helps protect walls by minimizing door collision, extending the life of your barn door hardware. Installation instructions: 1. Measure the door thickness. 2. Adjust the roller in the floor guide to ensure proper clearance. Insert the film and tighten the screw at the bottom. 3. Secure the unit to the wall using the provided screws. Specifications: Material: Carbon steel Dimensions: 11.1 x 6.2 x 4.9 cm Mounting options: 8 in 1 (as shown in image) Door thickness compatibility: 3084 mm Color: Black Package includes: 1 x Floor guide 2 x Screws 1 x Hex wrench 2 x Ribbed plastic anchors 2 x Threaded rods