Recommend good keyboard stand?

I play standing up and I am tall, and my portable stand is too wobbly when extended.

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Bill
Yamaha PSR2000

http://www.ultimatesupport.com/s.nl/sc.14/category.20/.f

I use an Apex on stage......love it!

Which one is Apex? A search only showed a mic boom.


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Bill
Yamaha PSR2000

http://www.ultimatesupport.com/s.nl/sc.14/category.44/it.A/id.227/.f