DIYHD 6.6ft Big Spoke Wheel Sliding Barn Wood Door Interior Closet Door Kitchen Door Track Hardware Hardware only,Not including door panel Material:Steel,POM;The round wheel is POM(hard plastic);Color:Rustic Black;Two rollers can bear MAX weight 90kg;Suitable for door thickness:35-40-45mm; Package's including:Big wheel*2,Stopper*2,6.6FT Track*1,Track&wall spacer*5,Floor guide*1,Anti-pad*2 Track had been pre-drilled 16"(406mm) apart holes Track's two end had been pre-drilled small holes for track connector to make a long track The height from top of the door to the top of the roller is 188mm(7 2/5&#034;),pls check if your wall have enough space to install this kit before order! The gap between door and wall is 16mm(16/25&#034;),if you have thick(thickness more than 1/2&#034;) baseboard or door frame,pls try to add a wood board on the back side of the track to make a bigger gap The MAX load for soft close piece is 80kgs Track had been pre-drilled 16&#034; apart holes,can be used for 16&#034; apart studs wall Two sides of the track&#039;s end also pre-drilled small screw holes for customer who what to creat 13ft double sliding barn door system. A connector can be offered free if you need it! Hardware Material:Steel,Nylon,POM Surface:Black coating The J shape material is metal The spoke wheel is hard plastic/nylon All of our barn door wheel is hard plastic to reduce the noice during sliding Full set hardware&#039;s including: 6.6FT track is one piece track and pre-drilled 16&#034; apart holes Can be used for studs wall that length between two studs are 16&#034; 6.6FT track kit can be used for door width up to 39&#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 Prepare door panel and hardware Door panel pre-cut groove,Groove Height:1&#034;*Width:3/10&#034; Prepare gasket or wooden board/thick spacer if you have thick frame/baseboard Step1: Drill holes on the wall H is door panel&#039;s height,H+45MM(1.77&#034;) is the place we need drill holes for track to tight screws. Step2: Double check the level of the holes,then tight the track on the wall with spacer 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: Install floor guide on the floor under the groove of the door panel Step7: Mount two stops of the two end of the track.