【𝗛𝗲𝗮𝘃𝘆 𝗗𝘂𝘁𝘆 𝗛𝗮𝗿𝗱𝘄𝗮𝗿𝗲】 EaseLife pick up the best quality of the carbon steel and coating fine black powder to make it years of beauty and longevity.Also,we selected premium nylon to make the roller slide smoothly and quietly,tested beyond 100,000 rolls. 【𝗘𝗮𝘀𝘆 𝗜𝗻𝘀𝘁𝗮𝗹𝗹】 We provide step-by-step installation manual in fractions according to US measurement standards,you can also get soft online copy and professional installation guide from our online service.You are going to have a pleasant experience of installing. 【𝗠𝗶𝗻𝗶 𝗕𝘆𝗽𝗮𝘀𝘀 𝗛𝗮𝗿𝗱𝘄𝗮𝗿𝗲 𝗔𝗽𝗽𝗹𝘆 𝗧𝗼 𝗩𝗮𝗿𝗶𝗲𝘁𝘆 𝗼𝗳 𝗦𝗰𝗲𝗻𝗲】 The 7inch height roller allows to fit almost anywhere you want to install a small barn door hardware system,such as TV stand,vanity,cabinet,pet's kennel,bookshelf closet,window and so on! 【𝗥𝗲𝗺𝗶𝗻𝗱𝘀】 Fit Door Thickness: 11/16" ~ 1-1/8",Door Weight Capacity 120lbs. Package Includes: 36″Rail (3 sections of rail splicing),4x Roller,4x Spacer,2x Door Stopper,2x Door Guide.CABINET NOT INCLUDED 【𝗧𝗼𝗽 𝗟𝗲𝘃𝗲𝗹 𝗔𝗳𝘁𝗲𝗿-𝗦𝗲𝗹𝗹𝗶𝗻𝗴 𝗦𝗲𝗿𝘃𝗶𝗰𝗲】 EaseLife specialize in sliding door and hardware many years,if there anything missed or broken,pls let us know,we are whole day online to solve your problem. Easelife is a company specializing in barn door products.We have advanced production technology and an excellent after-sales service team.We are committed to providing customers with better products and service.