Our garage door roller is constructed from sturdy materials, ensuring it withstand prolonged use. Exceptional durability and is highly resistant to deformation or breakage, this garage door roller is highly practical, be used for garage, apartment and more places. Features -Color:Blue -Material:Nylon -Size:12.00X4.50X4.50cm/4.72X1.77X1.77in -Rope groove radius:6mm -Shaft diameter:11mm -Our garage door roller has construction, resulting in smoother and quieter door operation with less stress on . -The door roller operates quietly, reducing vibration and noise caused by rolling, bring you satisfying using feeling. -The garage door roller is well-constructed, ensuring optimal garage door performance. -Compatible with many residential garage doors, including standard and wooden automatic door rails, the garage door wheels are not easy to deform or break. -Using sturdy material and workmanship, reasonable structure, the nylon garage door roller be used for long time. Package list: 4 x Garage Door Rollers