Easy to installThe door does not need grooves, just fix two screws on the bottom bar and tighten the roller guides to fix it in place DurabilityThe floor guides of the sliding doors are made of high-quality steel and POM Nylon with high pressure black powder coat finish for high temperature protection against corrosion. Easy to slideSmooth bearings can slide easily, and then the door slides easily. The bottom of the floor rails is flat and will not damage the door, the floor can slide smoothly and quietly More DIY OptionsWe provide two sets of 8-1 sliding doors to provide customers with more assembly options. Adding fabric strips makes it quieter. At the same time, we provide customers with gloves for free to make your experience more comfortable [Good after-sales service] If any parts of the product are missing or damaged, or the hardware of the sliding door is broken, please contact us directly and I will give you the most suitable one within 24 hours solution. Free replacement service within 12 months