One kit required for each door. For Doors 5/8" to 3/4" thick. Our Most Popular Pivot Door Kit Rear fingertip lever disconnect on hinge. Medium duty 30# class. 3 way adjustable hinges 30# capacity per door with 24" x 42" max door size. Precision steel ball bearing slides Can be used in both pocket and flipper door applications. Slide Travel = 16" To see all sizes, applications, and finishes, Search: KV Pivot Door Slide Hardware Can be used in both pocket and flipper door applications. Large follower strip mounting plate for rigidity and installation ease. 35mm Bit is needed. Requires use of magnetic catch or touch latch, Search: Amerock magnetic catch. Door Conceal = Slide travel + Door thickness + 1/4"