4-20FT Stainless Steel Sliding Barn Door Hardware Closet Track Kit. For Single /Double Door. HARDWARE ONLY, DOOR IS NOT INCLUDE. All of our products comply with strict quality control and advanced technology makes CCJH Sliding Barn Door Hardware more reliable. The aviation aluminum track with decorative chorme plating, wall thickness is up to 2mm, the track adopts mechanical design, add keel support in the middle, through strict test can strongly support weight. Adoption of double edge grinding processing, the track edge is smooth and not hurt the hand. Add anti-falling wheel on the roller hanger, can effectively prevent the roller hanger from falling off during sliding. The head of the door stopper is nylon arc. Perfect fit witth roller pulley radian, reducing noise. Anti-jump disk: 2PCS 3. Anti-jump disk: 4PCS 4. Floor Guide/wrench: 2pcs 5. Door Stops: 2PCS 5. Door Stops: 4PCS 6. Wall hanger set 8. Wall hanger set 9. Installation manual: 1PC 10. HOW TO CHOOSE TRACK SIZE. 1 Single Door Min Track Size= 2 × Single Door panel Width (Like you door width is 3FT, you will choose 6FT length kit) 2 Double Door Min Track Size= 4 × Single Door panel Width (Like you door width is 3FT, you will choose 12FT length kit). Any questions please tell us, Our customer service will help you within 24 hours.