I have a Besson 785 Recording tuba that weighs in around 40lbs, and doesn't have a case. It fits quite well and was easy to adjust it to fit. The bell does cause the horn to tilt forward in the stand a hair (recording tuba, so the 12lb bell is to the front, not vertical), but once it settled, it isperfectly stable.Something else to keep in mind, it does collapse down quite nicely! Quite handy because a) I refuse to just lay a caseless tuba on the ground, b) I refuse to carry 40+ lbs of tuba around when not seated and c) I do not trust it to stay on a chair unattended. Seriously, you never know where those blasted things will get to when you're not watching them. It is even part of the transport system when hauling it to a rehersal/gig.Another reviewer recommended adding lock washers to the two nuts and bolts on the base. It was an excellent idea. Just don't be surprised if you need to add a thin fender washer as I did due to the size of lock washers I had available. Would also recommend stainless steel for both types of washers.Edit: Since I wrote this, I have used it while attending rehearsals and on stage. The stand travels well, breaks down and sets up very easily. It is also part of the transport method when setting up and packing out from concerts. It has withstood 3 years of at least weekly travel. It has been well worth the money!*Waves right hand like a Jedi"This is the stand you are looking for."