This solid piece of kit does the business. When you consider that a mount which is sturdy enough to hold this and two telescopes probably has a substantial dovetail clamp already, it makes the whole assembly even more rigid. Works a treat for my 9.25" SCT and 5" APO. The only down side is that you will almost definitely want to get the JTD Dual Rig Telescope Alignment Saddle to make sure that both scopes are pointing at the same thing.

The bar is solidly built. It does not look like it will flex. It's a pitty that the side saddles have fixed position. It would have been much better if the saddles could be slided horizontally to help weight balancing.