Thanks, Michael.
Yours are the taller (53.7 cm) IS1 stands intended for use with the smaller MS10, MS15 and MS100 models.
And not the shorter (42.2 cm) IS2 stands intended for use with the MS25Ti, MS35Ti and MS300 models.
Yours are the taller (53.7 cm) IS1 stands intended for use with the smaller MS10, MS15 and MS100 models.
And not the shorter (42.2 cm) IS2 stands intended for use with the MS25Ti, MS35Ti and MS300 models.