DIYHD 0710FTD MM20V-10D, 10 Feet Double Door Kit, Black Hardware Only,Not Including Door Panel Material:Steel,Color:Rustic Black Package's including:Roller*4;Stopper*4;Sliding Track 5ft*2;Track connector*1;Track&Wall connector*6;Anti-pad*4;Floor guide*2 The height from top of the door to the top of the roller is 130mm(5 3/25"),please at least 150mm(6") for installation The gap between door and wall is 16mm(16/25") based on door thickness 40mm(1 4/7") Two roller can bear MAX door weight 90kgs The height from top of the door to the top of the roller is 130mm(5 3/25&#034;),please at least 150mm(6&#034;) for installation The gap between door and wall is 16mm(16/25&#034;) based on door thickness 40mm(1 4/7&#034;) Door panel need to be cut a groove for floor guide,Groove Height:1&#034;*Width:3/5&#034; Material:Steel,POM Surface:Powder coated black Roller*4pcs Stopper*4pcs Track&amp;Wall Spacer*8pcs Iron Floor guide*2pcs Anti-pad*4pcs 5FT track:2pcs Track connector:1pcs 10FT track is 2 piece 5ft track with a track connector.The connector is shorter than track,rollers can slide across it. Can be used for studs wall that length between two studs are 16&#034; 10FT double door hardware kit can be used for per door width up to 30&#034; Easy installation for non wooden frame around openning If baseboard/wooden frame thickness less than 3/5,easy installation as photo 1 left side If baseboard/wood frame thickness more than 3/5,please add a thick gasket or wooden board on the back side of the track as photo 2 Step1:Prepare door panel and hardware Door panel pre-cut groove Prepare gasket or wooden board/thick spacer if you have thick frame/baseboard Step2:Drill 16&#034; apart holes on the wall The height of the place where drill hole is door height +43mm(1 11/16&#034;) Combine two tracks together with connector Double check the level then tight the track on the wall with spacer Step3:Dill holes on the door and tight the roller,than hang door panel on the track Step4:Fix the Anti-pad on the top of the door The anti-pad can reduce the gap between door and track to make full system safety Step5:Install floor guide on the bottom of the door Step6:Install stops on two sides on the track