How much "slack" is gained when the cable is pulled? Intended use is 1 cable(hidden as much as possible) per leg of an 8 leg 10 x 20 canopy.

You regain about an inch maybe 2 tops. of slack when you pull it. I used mine to anchor the end post for my vineyard. Worked well.

How well do these with in rocky soil? Are they strong enough to pass by some rocks without bending?

I didn't hit any rocks but from what I can tell these things are really made with high quality metal and I would assume they would eventually get through the rocks. I know there are cheaper versions out there but when I got these I was very impressed with the workmanship

How hard are they to get back out of the ground?

You'll have to dig them out. If you drive them into the ground all the way to the loop, there's really no way to pull them out by hand.

How good are these for tree straightening? If they are good, what is the maximum tree diameter that these can beused?

I didn't use them for anything but anchoring a deer blind that kept blowing over. I can say they are very strong and reliable for what I used them for

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12 Pack - Duckbill 40-DB1 Earth Anchors with Drive Steel Tool

Product ID: 711688204

R8792

Duties & taxes included

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Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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12 Pack - Duckbill 40-DB1 Earth Anchors with Drive Steel Tool

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Best Sellers Rank	#195,751 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #381 in Garden Tool Sets
Customer Reviews	4.6 out of 5 stars 152 Reviews

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