30 Shot Glass/Shooter Display Case - Open Face Rack Cabinet Holder, Ebony All displays include two routed slots on back spaced at 16" on center for secure wall stud mounting Display Dimensions are: Height =16 1/2" Width = 27 1/2" Depth = 3 3/4" Shelf Dimensions are: Width = 25 1/2" x Depth = 3 1/4" Each shelf will hold glasses up to 4 1/4" tall. Placement hole diameter = 1 5/8"