Upgraded aluminum alloy box track and nylon roller, the ceiling mount box rail hanger bearings for barn door up to 330 lbs(150kg). Whether for Interior or exterior use, ensure corrosion resistance, beauty and durability

Upgraded aluminum alloy box track and nylon roller, the ceiling mount box rail hanger bearings for barn door up to 330 lbs(150kg). Whether for Interior or exterior use, ensure corrosion resistance, beauty and durability