DIYHD 10ft Vintage Spoke Industrial Wheel Double Sliding Barn Wood Door Interior Closet Door Kitchen Door Track Hardware Hardware only,not including door panel Material:Steel,POM;Color:Black;Suitable for door thickness:35-40-45mm;Can bear MAX weight 90kg Package's including:Big wheel*4,Stopper*4,Track*2,Track connector*1,Floor guide*2,Anti-pad*4 Track had been pre-drilled 16"(406mm) apart holes;10FT(300cm) is two piece 5ft track with a connector 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. Track had been pre-drilled 16&#034; apart holes,can be used for 16&#034; apart studs wall. 10FT(3000mm) is 2pcs 5ft(1500mm) track with a connector.Track&#039;s two ends had been pre-drilled screw holes for connector to combine two tracks. The small hole plugs will be offered to block small holes after installed. 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 The track connector is shorter than track,so roller can go across it. Pls don&#039;t install two stops on the middle of the track if you want two door panel slide to same side. Full set hardware&#039;s including: 10FT track is 2 piece 5ft track with a track connector Pre-drilled 16&#034; apart holes Can be used for studs wall that length between two studs are 16&#034; 10FT track kit can be used for door width up to 30&#034;(per door) 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 Step2: Double check the level of the holes Combine two tracks together with connector,then tight the them 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.