Anyone use B&W-King 4x5 or 5x7 developing tanks?

Hello,
I ran across these on the 'Bay and looked at their website linked on their ad. They look like a re-engineered version of the Nikkor 4x5 set-up. It uses castings for the end plates and does not seem to have the retaining band to hold the sheets in the slots. I think they rely on the film being held in place by the film hitting the rods. They look like someone put a lot of thought into this. But, how well do they work? It would be great to have a good 5x7 option.
Linn

Linn. It's fantastic. I purchased one after having acquired a 5x7. I posted a basic review on my blog and am in the process of doing a more detailed usage entry. In short, exceptional quality and works like a charm. I process with PMK Pyro and was able to use it in my standard process (rotating rather than inverting) without an issue. The only noteworthy thing is that when you load sheet film, make sure that it snaps behind the vertical bars else it may slip out during processing. In my opinion, this is way worth the money and will last a long time.

Best!

I used King 4x5 tank and it is great.

Thank you one and all for the information. I had not seen the linked thread, it had not shown up in my Google search. I did watch a YouTube video where a 5x7 tank was shown off. I liked the possibility from the video that it might be possible to also develop 4x5 film as well. That would make things easier for me if I use my reducing back.

I thought the reel looked well constructed, but was not sure if it had any quirks that made it frustrating to use.

Thanks again!