The inner bearing of the sliding door guide wheels is made of steel, providing a stable structure and good load-bearing capacity. The outer roller is made of nylon, ensuring good wear resistance and impact resistance. The sliding gate rollers support and guide the sliding door to move stably and smoothly, preventing tipping over from the track. The rollers effectively reduce noise generated by sliding friction, making the operation quieter. The dual nylon rollers are easy to install and can be adjusted to fit tightly with the door track, ensuring stable movement. The inner bearing of the sliding door guide wheels is made of steel, and the outer roller is nylon, which has a stable structure, good load-bearing capacity, good wear resistance, and impact resistance. It can withstand frequent daily use without deformation and can be used indoors and outdoors for a long time. The guide rollers for sliding doors can be easily bolted to the bracket or rear post wall. The bracket can be flexibly adjusted to the rollers upward or downward, and ensure that they fit tightly with the door track, reducing swing and misalignment, and achieving stable and smooth movement of the sliding door. Color: White Material: Nylon Package Contents: 1xSlide Gate Guide Roller Kit 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.