A spike tip structure for a support leg for a stand, which may be used for supporting a musical instrument. The tip structure comprises a main body; an elongated spike member disposed in a first aperture of said main body; an end cap fitted around a bottom portion of said main body, where the end cap has an opening through which said spike member is adapted to pass; and an internal locking assembly for locking said spike member in position with respect to said main body, wherein said spike member is resiliently biased to translate in said aperture of said main body. The tip structure further comprises a button member slidingly disposed in a second aperture of said main body, where the button member selectively disengages the internal locking assembly.