Super Mini Sliding Barn Door Hardware Kit for Single/Double Door (No Cabinet) 1.Our company has been producing all kinds of sliding barn door hardware for many years. The use of advanced cutting technology in our factory to ensure the precise size of the sliding barn door accessories, especially in the axis of the hanging rail and track interface to show its unique features and advantages. 2.Ball bearing roller slide smoothly and quietly, Tested Beyond 100,000 Rolls. All items have been multiple inspected before on market. 3.We have our own warehouse in the United States, so we can send you the parts you need anytime you need them. The package contains all the parts you need (Hardware only, Cabinet not include) 1. Carbon Steel Track 2. Mini Rollers: 2 PCS (1 PAIR) 3. Roller Screws 4. Door Stoppers: 2 PCS (1 PAIR) 5. Anti-jump Disks: 2PCS 6. Floor Guide: 1PC 7. Wall Hangers (1 hole need 1 set) If you order the double-door model, the package includes two pairs of wheels. J Shape Roller & Carbon Steel Track Q: What if the thickness of the door is not within the applicable range? A: If the door is too thin, you need to replace shorter screws. If the door is too thick, it is recommended to install a board with enough support on the wall. This will prevent the door from hitting the wall. Also need to buy longer screws from the local hardware store. Anti-jump Disk & Floor Guide Q: Can the track be cut? A: On the premise of safety, the track can be cut. Please pay attention to the position of the hole when cutting to avoid damaging the mounting structure. Q:How to choose a track for my single door？ Single Door Track Size= 2 times door panel Width A:Example: for a 24"/2FT door panel, you need a 48"/4FT track kit at least. Tip: If has enough space, you can also choose a longer track.