Product name:Bifolding door hardware sliding rail set Size: 55mm Colour: silver white Easy to use: Easily and quickly replace or repair bi-folding doors without replacing the entire door, recessed tapered pivot head is easy to install, spring design prevents sliding blockage and provides smooth and silent sliding after repair. Wide use: universal bi-folding door hardware repair kit is suitable for repairing bi-folding doors, sliding doors, bi-folding barn doors, bi-folding wardrobe doors, accordion doors, laundry room doors, garage doors, pantry doors, bedroom doors, kitchen cabinet doors, lounge doors, etc. High quality material: This bi-folding door repair kit is made of durable and sturdy carbon steel, abs, nylon PA6 plastic material and elastic springs, which are not easy to bend or damage, helping to prolong the service life of the folding door. Practical and convenient: no need for complicated operation, this sliding wardrobe door hardware is designed for replacing or repairing broken bi-folding doors, making the folding doors slide smoothly, ample replacement parts will meet different usage needs.