Material: Steel With NylonFinish: GalvanizedFor Door Openings Up To 72"Use With Two 3/4" - 1-3/8" Thick Sliding Doors Weighing Up To 60 lbs. EachDoors Can Not Accidently Jump The TrackDoors Can Be Hung Or Removed With Out Detaching HangersDoor Guide Provides Smooth Operation And Allows Up Or Down Adjustment Of DoorsDial-Action Hanger Allows Easy Vertical AdjustmentSet Includes One Galvanized Steel Track, Four Dial-Adjust Hangers, Two Brass Plated Finger Pulls, One Adjustable Floor Guide, All Necessary Screws***AVAILABLE FOR LOCAL PICKUP ONLY***