Gibraltar swivel nuts fit into the lug casing and physically receive the treaded tension (key) rod. When a tension rod can no longer be turned and is "stripped," it is usually the swivel nut that is the stripped part and needs replacement. 7/32" - Fits tom and snares for Pearl, CB, Mapex, Tama, Ludwig, Gretsch, Premier, Pacific, and most other manufacturers with the exception of Sonor.
