Yeah, the 10wqd hold fine, I'm really not sure what people are talking about. The one thing I will let you know is that it comes with a rubber spacer, the directions say all over it that you need it and it will void warranty if you don't use it, but in fine print at the bottom it says not to use it on glass with a certain thickness. The 250 has thick enough glass that you don't need the spacer. Once you take that out of play it works like a charm.
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