Efficient Door Movement: features of our closet door hardware contribute to making your door slide effortlessly and silently, without annoying noise; This promotes a quiet atmosphere in your space, ideal for bedrooms and offices where noise minimization is crucialPrecise Size Specifications: the sliding door hardware kit provides 2 types of dial adjust door hangers, with the same outer wheel diameter of approximately 7/8 inch but varying offset widths of 3/8 inch and 1/8 inch respectively; The hole spacing is consistent for both types at about 2.25 inches/ 5.71cm, the detailed sizing ensures fitting for your closet doorsGalvanized Steel Material: our sliding cabinet door hardware is mainly made from primarily galvanized steel, offering high strength and resistance to wear and tear; This reliable material safeguards its longevity and ensures a smooth sliding experience for your closet doors without the need for constant maintenanceComprehensive Package: this package comes fully equipped with essential components for instant application; The package includes 4 pieces of dial adjust door hangers in 2 types, 2 pieces for #1 and 2 pieces for #2, together with 8 pieces of screws, making the setup process hassle free and straightforwardVersatile Application: the sliding door roller kit can be applied to a wide range of doors; Whether it's repairing your existing closet door or installing a new one, this set is the ideal solution, offering a balance of style and functionality