Hardware Only, Not Including Door Panel. 5FT/5.5FT/6FT/6.6FT are 1pcs track. 8FT/10FT are 2pcs short track with a connector. DIYHD Brushed Nickel Steel Bypass Double Sliding barn Door Hardware One Piece Easy Mount Bypass Bracket. Full set hardware including. Track2pcs + Track&Wall Spacer1 set + Bypass bracket1 set. Bypass system require high space(at least 10) from top of the door to the ceiling, pls check your openning space before order. The gap between two doors are 2″ based on the door thickness40mm(1 3/5″), we don’t have better way to reduce this gap. Customers can use thickness 45mm(1 3/4) door panel to reduce a little. Our suggestion is to make door panel more wider than openning(openning/2+4) to cover the sight between two door’s gap. Track had been pre-drilled 16″ apart holes, can be used for 16″ apart studs wall. The bypass system need drill 3 line holes on the wall. It’s very important to double check the level to make all of them in same height. Door panel need to pre-cut a groove(Width 3/10″;Height 1″), pls let your door maker finish this job when you order the door. How to install bypass bracket. How to install barn door hardware: Step1:(Inner door) Drill holes on the wall H is door panel’s height, H+43MM(1-7/10) is the place we need drill holes for track to tight screws. Step2: Adjust stop’s location, then tight the track on the wall with spacers. Step3: Drill holes on the door panel (see photo manuel step 3) and fix the wheels. Step4: The round dics are anti-pad, they can reduce the gap betweem door and track in case wheels jump off, pls definitely use them(any place on the top of the door and under the track) Step5: Hang wheels on the track. Step6: Bypass bracket’s waist-shaped hole is on same leve as inner track, so aim the waist hole at inner track’s hole to find 2 upper holes location on the wall. Drill holes on the wall, and tight screws. Step7:Fix outter track on the bypass bracket with spacers. Step8:Hang outter door on the track and tight anti-pad Step9: Install floor guide on the floor under the groove of the door panel.