BeskrivningPREMIUM NYLON MATERIAL Our garage door rollers are made of highquality nylon material and 6200ZZ bearings, which is sturdy and durable, more stable and quieter than metal rollers and other materials, and smoother than previous rollers, very suitable for 2inch garage doors.HIGHLEVEL DESIGN The nylon garage door roller shaft has a galvanized coating to prevent rust. The design of the reinforced doublewalled bearing cage and sealed 6200ZZ ball bearing makes it have the most powerful performance and super long life. The garage door rollers can perform more than 10,000 cycles under a load of 150 pounds.MORE STABLE AND QUIET The 6200ZZ precision ball bearing on the nylon garage door wheels rotates smoothly, and the highquality nylon material greatly reduces noise, which can reduce the noise of your garage door by 75 and ensure that your garage door runs smoothly and quietly. You can use it with confidence.EASY TO INSTALL AND STANDARD SIZE The garage door wheels are easy to install and replace. You can throw away the old, worn, noisy or damaged rollers and replace them with our quiet new garage door rollers. The actual diameter of the garage door roller is 1.81 inches and the thickness of the rollers is 12 inch, which fits the 2 inch track of most garage doors.Color WhiteMaterial Nylon metalSize 12046mmPackage contents12 Nylon Garage Door RollerOnly the above package contents, other products are not included.Note Light shooting 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 13 cm.