Barn Door Hardware Black Steel Barn Door HardwareBarn Door Hardware Black Steel Barn Door Hardware - I-Shaped Rollers Track Barn Door Hardware Rail Bypass Sliding Barn Door Hardware KitElevate your interior with our Black Steel Barn Door Hardware, featuring an I-shaped rollers track for bypass sliding doors. This kit is suitable for both single and double doors, adding functionality and style to any space.Please confirm the following installation requirements: The distance from the top of the door to the ceiling should be 16cm. The baseboard thickness should be 2cm. The door thickness should range from 4-4.5cm. For single door installations, track length can be calculated as: Track length = Door width x 2 + 10cm Or Track length = Opening width x 2 + 20cm For double door installations, track length can be calculated as: Track length = Door width x 4 + 20cm Or Track length = Door opening width x 2 + 20cm Before installation, please prepare the following tools: Impact drill Spirit level Tape measure Socket wrench Hammer Pencil Screwdriver Important Reminders:Ensure all measurements are accurate and prepare the necessary tools before starting installation.Packaging Contains: 1 x Barn Door Hardware set 1 x Instruction Manual