Features:Track's length should be twice of your door panel's widthTwo rollers can bear max 90kgs weight.The height from top of the door to the top of the roller is 130mm,pls leave at least 150mm for installation.The track's two end have been pre-drilled holes(using a tracking connector to make two track to be a longer one),we will offer hole plugs for you if you don't want to see it.Description:The track has been pre-drilled 16" apart holes.Best choice for yourself or your friend.You will not be disappointed!Specifications:Color: BlackSuitable for door panel thickness:35-40mm.Size: 5.5ftMaterial: MetalPackage included:2*Roller2*Stopper1* 5.5ft Sliding track4*Track connector+screws2*Anti-jump pad1*Side wall mount floor guide1*Installation manual

• Track's length should be twice of your door panel's width
• Two rollers can bear max 90kgs weight.
• The height from top of the door to the top of the roller is 130mm,pls leave at least 150mm for installation.