I've never had a single lid grapple, but from my experience, having twin lids allows me to hold onto just about anything from a single small branch, to stumps and uneven brush piles.
My Land Pride SGC1560 grapple. You guys sure tear out a whole lot of stumps. I had my property selectively logged fifteen years ago. Those monster stumps are almost all gone now. Almost every one of the stumps have been "dug out". I suspect it's coyotes looking for pocket gophers or chipmunks.
I can see how a double lid would work better on a stump or uneven load. For me it's - logs, rocks and the occasional pile of brush.
If you seek a commercial grapple that lasts and works, you might look at ANBO. https://www.anbomfg.com/ I bought their 7 ft. rock rake grapple 10 years ago. This has served me well. I recommend you look closely at the lower (rake) profile and confirm it will do what you need. Rock rakes are different than log rakes or brush rakes. Top (grapple) is not as critical.
it should have a HP ranges I am surprise it doesn't say on the website ... maybe if you ask him the lift capacity of his skid steer you can compare I know my grappler was for 50 to 100hp and it has the specification on it but this one even on the website it doesn't has it ... Mine was $3500 CA new but now they are $4000 CA ...
what do you want to do with it ? Rock Grappler have a flat bottom and root grappler has curve tines
#8022 For sale is a brand new 84 inch wide heavy duty Wildcat root or brush grapple bucket. Comes with all of the hydraulic hoses and flat face couplers ...
jmequipsales.com
Only reason why I like this one is it will penetrate brush btter because no “horizontal” tines.
I don’t think it’s “industrial duty”, but should work for brush.