No they aren't the same as on Ag tires ... they're worse.
Run an H-bar, net or ring design.
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Prices are much higher than the "economy" brands that use poorly tempered fragile china soft iron chain. With chains, you get what you pay for. If you've never had to replace fenders or repair implements because the broke tire chain got into it and beat it to death, you may not understand what your buying with the higher price...
If you want cheap, fine. If you want long lasting quality, click the link.