Features: Reinforced Nylon Rollers: Made with sturdy nylon composition, these rollers withstand up to 100,000 opening/closing cycles, offering extended existence compared to standard rollers, resistant to wear and damage. Ideal for garage door maintenance and smooth operations. Protected Bearing Design: Equipped with shielded bearings for enhanced dust prevention, effectively blocking particle entry while ensuring quiet and smooth movement of garage door parts. Perfect for garage door hardware upgrades. Weatherproof Metal Components: Hinges and brackets feature treated alloy build with protective finish, suitable for humid environments and long term use without deterioration or deformation. Essential for garage door repair . 8 Foot Steel Reinforcement Cord: Includes 1/8 inch garage door cable specifically designed for 8 foot doors, providing stable weight support and enhanced safety during regular use. A key component in garage door hardware sets. Complete Installation Package: Comes with all required hardware for easy setup, restoring older garage doors to achieve balanced and fluid motion, consistent most residential garage door systems. Great for garage door maintenance. Specifications: Substance: stainless steel Product size: 185x65x30mm (particulars as shown) substance: metal alloy Package Includes: Hardware kitx1 note: Before using the accessory, please check if it is compatible.