All displays include (3) routed slots on back spaced at 16" on center for secure wall stud mounting * Display measurements are: Height =23 1/2" Width = 37 1/2" Depth = 4" * Shelf Dimensions are: Width = 30" x Depth = 2 1/4" * Each shelf will hold glasses up to 4 1/4" tall. * Placement hole diameter = 1 5/8"