This sliding door track kit allows you to hang a folding door in a smooth sliding action. It is a great way to gain extra space where the door would normally open. Very suitable for hallway dining room and bedrooms. The kit gives you all you need to transform: a 4ft track J-shape rollers rotating shaft door hinges and all other hardware shown in the pictures. Your space updated effortlessly. Features: Suitable for folding doors Powder coated carbon steel supports maximum 90kg Wheels for a smooth