The bar can be adjusted to the width of your door frame.Measure the distance between the two uprights of your door frame.If your door is 51 to 59 cm wide: adjust it to position 2.If your door is 59 to 67 cm wide: adjust it to position 3.If your door is 67 to 75 cm wide: adjust it to position 4.If your door is 75 to 83 cm wide: adjust it to position 5.If your door is 83 to 91 cm wide: adjust it to position 6.The doorway should be between 7 and 20 cm deep.The door frame must sit at least 1 cm proud of the wall.Please check the user guide or watch the assembly video to see how to correctly position the bar.Remember to fully tighten every part.