[STRONG & STURDY]: TOIMIOTOIM bifold door hardware is made of high-quality steel with premium nylon roller wheel and Gcr15 roller bearing, high strength industrial grade tracks and Hangers can easily hold 330lbs loads,anti-corrosion and anti-rust.Suitable for closet door,accordion door,pantry door in kitchen, bedroom, dressing room, laundry room, utility room, entertainment console, club, pub and so on.