Box rail hanger kit is made of steel,zinc-plated finish,durable, rust, weather resistance and long-lasting use 2 End caps and bolts for attaching door strap and self-lubricating derlin bearings,easy installation with mounting hardware and instructions included Adjustable both laterally and vertically, The sturdy plates quickly mount to your door and the adjustment bolts are easy to adjust the drop of the door to ensure a good fit The BOX RAIL HANGER KIT is a full, all in one hardware kit for simple hanging, sliding doors. It will withstand out door extremes, a perfect application for garages ,sheds,wood sliding doorsand green houses. Use on wood frame sliding doors from 1-1/2" to 2" thick.Suitable for: Track size 2-1/4 In. x 1-3/4 In The Home Master Hardware box rail hanger kit consists of 2 sets,safe working load - 225 lb. per hanger Elevate your door hardware with our robust Box Rail Hanger Kit, designed for exterior barn doors. Crafted from durable steel with a zinc-plated finish, this kit ensures rust resistance and longevity. Each hanger boasts a safe working load of 225 lbs, making it ideal for wood frame sliding doors between 1.5" to 2" thick. The kit is adjustable both laterally and vertically, with sturdy plates for easy mounting and drop adjustment. It comes complete with 2 end caps, bolts for door strap attachment, and self-lubricating Derlin bearings, ensuring smooth operation. Perfect for outdoor settings like garages, sheds, and greenhouses, this kit is a comprehensive solution for simple hanging, sliding doors. Measures 8 x 6 x 4 inches and weighs 1.5 pounds.