Pre-drilled 16″ Apart en la pista para satisfacer drywall Studs 2 diferentes disponible: de pared Pared sólida y ajuste pared, dos tipos, tornillo a suave para pared de yeso y hormigón avaiable 3 gama Grosor Panel de puerta disponible, dos tornillos Spec Roller para adaptarse a grandes para 3/8″ – 3/4 (35 mm-45 mm) Grosor Panel de puerta 4 todos los otros hardware necesario está incluido como se puede ver en las imágenes, sólo no incluyen puerta. Solid steel, fine black powder coated surface, anti-corrosion ensures years of beauty and longevity. Slide Like Butter, Ball bearing roller slide smoothly and quietly, Tested Beyond 100,000 Rolls. All items have been multiple inspected before on market. Our hardware suitable for both modern and rustic style, you can apply for aisle, garage, kitchen, bedroom and so on. Fit up to 60″ Wide Door;Fit Door Thickness 1-3/8″ 1-3/4(3545mm);Door Weight Capacity 250lbs. Package Includes:(3)3.3ft Rail, (8)Track Support, (2) Rollers, (2)Door Stoppers, (1) Floor Guide. We provide step-by-step graphic & text installation parsing manual, you can also get soft online copy and professional installation guide from our online 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.