Material: Constructed from high-quality steel, this barn door roller stopper is built to resist rust and wear, ensuring and reliability in all weather conditions. Its robust design makes it suitable for both indoor and outdoor use. Optimal Size: Each stopper measures 1.97" x 1.57" x 1.26" (50mm x 40mm x 32mm), making it an ideal fit for various door sizes. This precise sizing ensures a and functionality for standard barn door tracks. Advanced Design: Featuring a noise-free buffer rubber cover, the stopper not only reduces noise but also provides excellent shock absorption. This design detail ensures a quiet and smooth operation, enhancing the user experience in residential settings. Multiple Uses: Designed to block the wheels of barn doors, this roller stopper ensures your door remains balanced and slides smoothly. It's an essential accessory for preventing the door from over-sliding and enhancing operational safety. Comprehensive Package: The package includes four pieces of barn door roller stopper hardware and a wrench for easy installation. This complete set provides everything needed for a quick setup, allowing for immediate improvement of door stability and performance., Manufacturer: Akfldms