tower have a magnetic prop balancer but it cant hold the weight of MT wheels (looked at the online manual and its got a max weight... can't remember what it was, but remember it wasn't enough lol) Amain have one that has solid supports, so weight isn't a problem, its even got a wheel adaptor :P
http://www.amainhobbies.com/product_...oducts_id/4870
http://www.amainhobbies.com/product_...oducts_id/4354
hmm good point about the width...i wonder if its wide enough?