Crown Bolt 62516 48-Inch Sliding Door Hardware Set Made with corrosion-resistant galvanized steel Dial-adjust hangers allow up to 5/16-Inch vertical door adjustment Designed for 2 sliding closet doors with a thickness of 3/4 - 1-3/8-Inch each Pre-drilling required for installation Set includes dial-adjust hangers, door alignments, a v-shaped track, rollers, a floor guide and hardware