It will go 6" (15cm) up and down past that. I needed a pair of black, 3 inch heels for a wedding that I am a bridesmaid in. Tengo muchos modelos de esta marca y siempre me quedan bien en mi talla, que es 8 americano o 25 mexicano. I can?t give anything but 5?? for each of these ! Again, this is Apples dumb fault and not Belkins, but its still an annoyance. There is strain relief above the 3. As I said, I have already ordered another pair ! Stand itself is great. She raved about them for months. Stainless steel finish can fit on any kind of bathroom.