Used For: 4*Doors Brand: WinSoon Hardware Material: High Quality Carbon Steel Surface: Frosted Black Door Weight Capacity: 230 lbs; Door Panel Approx Thickness: 1 3/8" - 1 3/4". (35mm-45mm) NOTE: If your door is 1 3/8" please let us know ， so we can send you correct bolts. Specification: The distance from the top of the door to ceiling is about at least 12inch. Passed 120,000 times opening and closing test. All other necessary hardware is included as you see in the pictures. ONLY the hardware is for sale, DOOR NOT INCLUDED.