BRAND: WINSOON; Condition: 100% New; Material: High Quality Carbon Steel; Surface: Frosted Black, Water Proof, Rust Proof; Door Weight Capacity: 230 lbs; Fit door panel width: 39″; Perfect for door panel thickness: 1 3/8″ to 1 3/4. Stable Track: 2 pieces 3.3ft tracks are included in the package. Much easier to install. It is stable enough to hang 230lb doors. PACKAGE INCLUDE:2×3.3FT Track, 5xTrack Support, 2xRoller, 2xDoor Stopper, 2xAnti-Pad, 1xDoor Guide, 1xHex Wrench; All other necessary hardware is included as you see in the pictures. The track has been predrilled holes for 16 inch stud; ONLY the hardware is for sale, DOOR IS NOT INCLUDED. INSTRUCTIONS:Very detailed and visual instruction. Based on our own installation experience, We write the instuction, it explains every step with words and picture and all data is measured in inch. It is very easy for you to take a reference during the installation. WINSOON is the manufacture of the sliding door hardware. If you are not satisfied with this product, we can provide you return address. 2 installation methods allow you groove the door bottom or not. The floor guide can prevent the doors from swing, allow open and close door freely. Anti-jump Pad prevent door be lifted off rail. Install them on the top of your door, it can hold the rail once the door hit the stopper. The anti-scratch high temperature fine black powder coated surface and heavy duty 1/4 thick carbon steel rail will last a long time. Quality carbon steels is applied for more sturdy. 8.8 grade self-tapping screws and roller screws can hold two 230lbs doors comfortably. Barn door hardware kits can be used in a variety of applications, both practical and decorative. They are great space-saving solutions. Interior & Exterior Doors. Can I cut the rail to fit my wall? Yes, the rail can be cut to any length. We recommend using an angle grinder to cut the rail. What is the weight capacity? Your door limited 230lbs. What is the compatible door thickness? Note: If you have door thickness that falls out of this range, please let us know your exact door thickness so that we can put shorter hex bolts for your thinner doors or longer hex bolts and spacer extenders for your thicker doors. When do I need a headboard? If the pre-drilled holes in the rail don’t line up with your wall studs. If there is a doorway trim. Attach a header board with the same thickness as your doorway trim into your studs first, and then mount the rail onto the header board. How to Choose Product from WINSOON shop? 4.6 out of 5 stars. 4.7 out of 5 stars. 4.4 out of 5 stars. Min Space Needed Above Door. High quality carbon steel.