This setup includes the mounted post AND the folding rail. Good deal 👍 The Handicare Hinged Arm Support Drop Down Rail is a versatile and durable mobility aid designed to provide support and stability. Made of steel with a maximum load capacity of 330 lb, this U-shaped rail features a foldable design for easy storage and transport. The white color and sleek design make it a stylish addition to any room. With a manufacturer warranty of 1 year and CE marking certification, this Handicare product offers peace of mind and reliability for those in need of assistance with mobility.