Features: Enhances your garage door performances with our Door Hinge Rollers, featuring 20 roller sleeves and nuts designed for smooth and quiet operate . Crafted from ABS material, these Precisions rollers are resistant to wear and corrosion, ensuring long lasting use and easy installation on various garage door models. Suitable for enthusiasts, House repair specialists, and professional garage door technicians looking to maintain or upgrades door functionality. Perfect for routine maintenance and repair of garage doors, these rollers improve stability and reduce noise, making them an essential component for a quieter House environment. With their Quiet designs and robusts construction, our hinge rollers seamlessly integrate into your garage systems , providing effortless movement and enhancing overall door efficiency. Specifications: Material: ABS Sleeve width: about 8cm/3.15inch Bolt diameter: about 2.2cm/0.87inch Package Includes: 20xGarage Door Rollers 20xRoller Sleeves note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.