60 Bi-Folding Sliding Barn Door Hardware Kit for 4 Doors, Smoothly&Quietly, Black Track J Shape Roller-[Doors Not Included]. [Small space first choice]: 5FT=60″track, bi-folding door kit won’t take up too much of your living space, just need to leave more than 6″8 space next to your door opening to meet your needs. Suitable for door thickness:1-3/16″ 1-3/4″, single track load up to 330LBS per door. [Excellent product quality]: BONIKLUBA folding door hardware kit is made of high quality carbon steel, not easy to be bent and deformed, and the pulley part is made of high quality nylon, so that the pulley is as quiet and smooth as butter when sliding over the guide, which is the first choice of strong and durable hardware kit. [Easy Installation]: The installation manual is marked with orderly serial numbers to make the installation process clearer and help you complete the installation step by step, or you can online, we will cooperate with you throughout the process to complete the installation smoothly and ensure your installation is worry-free. [Packing list]: 4X Roller, 5FT Splicing guide, Rotating shaft/Floor Guide, folding and other necessary parts for folding door kit are included, you only need to prepare the tools for the job. [Best customer service]: Our service aim is to bring customers good quality and low price goods while providing the most satisfactory customer service, any problem, please feel free to, we will definitely be responsible for you. 60 for 4 Doors. 17.6 x 9.41 x 3.5 inches. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your feedback very important to us, after you get your package and you are. Satisfied with our service. If you have any problem with your order / any questions please before leave any type of feedback. Thank you for shopping at our store.