8FT Wood Double Sliding Barn Door Hardware Basic Black Big Spoke Wheel Roller Kit, 5-18FT for Choose. [PREMIUM HARDWARE MATERIAL] – sliding barn door hardware is made of high quality steel in high temperature fine black powder coated surface ensures anti-corrosion and years of beauty and longevity. High strength industrial grade tracks and pulleys can easily hold 230 lbs. [SLIDE SMOOTHLY AND QUIETLY] – High density thermoplastic wheels provide a smooth, sliding motion and quiet operation, give you ultra-quiet experience. The perfect addition to offices and homes, this barn-styled door is ideal for closets, interior doors and room dividers, sliding doors provide an innovative solution for closed off rooms or tight spaces. TRACK AND HARDWARE ONLY, DOOR NOT INCLUDED. [EASY TO INSTALL] – This hardware requires at max 2 people. Includes detailed, easy to follow instructions. Professional customer service team help you solve all installation problems in time, accept custom-made. THE CLEARANCE needed from the top of your door to the ceiling is at least 8 in. For double doors with a thickness of 1-3/8″ – 1-3/4″, Ideal for openings up to 48 in. Any problem in using it, our professional Customer Service Team will answer questions for you.