Personally, I wouldn't pay that. I don't like the design or shape of those pointy bottom teeth. I think they would dig into the ground and bend easily. I bought my standard grapple for less than that. Of course that was 5 years ago. But to me, it's a bad design. Check out everything attachments light duty ones. Much better design for probably similar $$$$
One other thought. Does your tractor have the lift capacity to lift both this grapple and a heavy round bale? I don't have experience with these bales but know they're heavy. You tractor probably has 2000 lb capacity ???, and say this grapple weighs 700 lbs (guessing) the math may not work.
Yes. I agree picking up things should work fine. And bales, certainly. But I use mine mostly either scraping the ground at a slight downward angle, or actually plunging it into the ground to uproot. And I doubt if that design would do that well. And I don't think $1000 is a bargain.
If the ground was flat and clear, like in a pasture, that design would suffice. But still don't like those tines. At least for what I do with mine. If I was going to pay $1000 I'd get something else.