These rust resistant door mounting brackets 3 and 1 inch wide and include reinforced screw holes and pre-born alignment guides for simplified, tool-friendly assembly Constructed with accuracy surfaces and even thickness, these door brackets maintain consistent weight distribution while preventing doors over time This 4-piece sliding door hardware set features a high iron construction that provides excellent durability and compatibility with 1/4 inch to 3/8 inch nut for secure pocket door installations Ideal for homeowners and professional contractors looking for sturdy sliding door hangers that can withstand frequent use in residential or commercial environments Perfect for enhancing interior pocket doors, cabinet systems and space saving room dividers where smooth operation and structural integrity are vital, Manufacturer: huiouer