Enhanced Security & Privacy protect: Effectively improves folding door and sealing by replacing worn components Creates a secure, private space for your family while eliminating potential hazards strong component for Long Term Use: Crafted from high strength carbon steel, this accessory excellent wear resistance and anti erosion properties Withstands frequent opening / closing while maintaining stability, extending your folding door ' s life Perfect Compatibility & Wide Application: Specifically designed for 1 3 / 8 " folding doors, this repair set ensures seamless compatibility with various folding door structures Ideal for homes, offices, and commercial spaces, it solves common operational issues Cost Effective Solution: Provides outstanding value by prolonging door functionality without full replacement The styles carbon steel construction with 1 3 / 8 " elastic shaft compatibility delivers maintenance for folding doors Easy Installation & Time Saving: User friendly design includes complete installation instructions and necessary tools for replacement or repair not professional skills required achieve easy setup in minimal time, Manufacturer: ZBIianxer